CVE-2024-36905 (GCVE-0-2024-36905)
Vulnerability from cvelistv5 – Published: 2024-05-30 15:29 – Updated: 2026-05-12 11:54
VLAI
EPSS
VEX
Title
tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets
TCP_SYN_RECV state is really special, it is only used by
cross-syn connections, mostly used by fuzzers.
In the following crash [1], syzbot managed to trigger a divide
by zero in tcp_rcv_space_adjust()
A socket makes the following state transitions,
without ever calling tcp_init_transfer(),
meaning tcp_init_buffer_space() is also not called.
TCP_CLOSE
connect()
TCP_SYN_SENT
TCP_SYN_RECV
shutdown() -> tcp_shutdown(sk, SEND_SHUTDOWN)
TCP_FIN_WAIT1
To fix this issue, change tcp_shutdown() to not
perform a TCP_SYN_RECV -> TCP_FIN_WAIT1 transition,
which makes no sense anyway.
When tcp_rcv_state_process() later changes socket state
from TCP_SYN_RECV to TCP_ESTABLISH, then look at
sk->sk_shutdown to finally enter TCP_FIN_WAIT1 state,
and send a FIN packet from a sane socket state.
This means tcp_send_fin() can now be called from BH
context, and must use GFP_ATOMIC allocations.
[1]
divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 5084 Comm: syz-executor358 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767
Code: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 0f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f af c3 31 d2 <48> f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48
RSP: 0018:ffffc900031ef3f0 EFLAGS: 00010246
RAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7
R10: dffffc0000000000 R11: ffffffff8135e920 R12: ffff88802a9f8d30
R13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da
FS: 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1155bf2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0
Call Trace:
<TASK>
tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/tcp.c:2513
tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578
inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680
sock_recvmsg_nosec net/socket.c:1046 [inline]
sock_recvmsg+0x109/0x280 net/socket.c:1068
____sys_recvmsg+0x1db/0x470 net/socket.c:2803
___sys_recvmsg net/socket.c:2845 [inline]
do_recvmmsg+0x474/0xae0 net/socket.c:2939
__sys_recvmmsg net/socket.c:3018 [inline]
__do_sys_recvmmsg net/socket.c:3041 [inline]
__se_sys_recvmmsg net/socket.c:3034 [inline]
__x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faeb6363db9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9
RDX: 0000000000000001 RSI: 0000000020000bc0 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c
R10: 0000000000000122 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-19 18:00 UTC
Assigner
References
24 references
Impacted products
27 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 34e41a031fd7523bf1cd00a2adca2370aebea270
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ed5e279b69e007ce6c0fe82a5a534c1b19783214 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 413c33b9f3bc36fdf719690a78824db9f88a9485 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2552c9d9440f8e7a2ed0660911ff00f25b90a0a4 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3fe4ef0568a48369b1891395d13ac593b1ba41b1 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f47d0d32fa94e815fdd78b8b88684873e67939f4 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cbf232ba11bc86a5281b4f00e1151349ef4d45cf (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 94062790aedb505bdda209b10bea47b294d6394f (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 4.19.314 , ≤ 4.19.* (semver) Unaffected: 5.4.276 , ≤ 5.4.* (semver) Unaffected: 5.10.217 , ≤ 5.10.* (semver) Unaffected: 5.15.159 , ≤ 5.15.* (semver) Unaffected: 6.1.91 , ≤ 6.1.* (semver) Unaffected: 6.6.31 , ≤ 6.6.* (semver) Unaffected: 6.8.10 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix) |
guessed | |
| linux | linux_kernel |
Affected:
1da177e4c3f4 , < 34e41a031fd7
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
1da177e4c3f4 , < ed5e279b69e0
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
1da177e4c3f4 , < 413c33b9f3bc
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
1da177e4c3f , < 2552c9d9440f
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
1da177e4c3f4 , < 3fe4ef0568a4
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
1da177e4c3f4 , < f47d0d32fa94
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
1da177e4c3f4 , < cbf232ba11bc
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
1da177e4c3f4 , < 94062790aedb
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
4.19.314 , < 4.20
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
5.10.217 , < 5.11
(custom)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
5.15.159 , < 5.16
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
6.1.91 , < 6.2
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
6.6.31 , < 6.7
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
6.9
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
0 , < 2.6.12
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Affected:
2.6.12
cpe:2.3:o:linux:linux_kernel:2.6.12:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
5.4.276 , < 5.5
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| linux | linux_kernel |
Unaffected:
6.8.10 , < 6.9
(custom)
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
||
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V3.1
(custom)
|
guessed | |
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Unaffected:
0 , < *
(custom)
|
guessed | |
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Affected:
0 , < V3.1
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.0 , < V3.1.5
(custom)
|
guessed |
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"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
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{
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},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
},
{
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}
],
"x_adpType": "supplier"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/ipv4/tcp.c",
"net/ipv4/tcp_input.c",
"net/ipv4/tcp_output.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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{
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{
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{
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"version": "0",
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{
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"versionType": "original_commit_for_fix"
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{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets\n\nTCP_SYN_RECV state is really special, it is only used by\ncross-syn connections, mostly used by fuzzers.\n\nIn the following crash [1], syzbot managed to trigger a divide\nby zero in tcp_rcv_space_adjust()\n\nA socket makes the following state transitions,\nwithout ever calling tcp_init_transfer(),\nmeaning tcp_init_buffer_space() is also not called.\n\n TCP_CLOSE\nconnect()\n TCP_SYN_SENT\n TCP_SYN_RECV\nshutdown() -\u003e tcp_shutdown(sk, SEND_SHUTDOWN)\n TCP_FIN_WAIT1\n\nTo fix this issue, change tcp_shutdown() to not\nperform a TCP_SYN_RECV -\u003e TCP_FIN_WAIT1 transition,\nwhich makes no sense anyway.\n\nWhen tcp_rcv_state_process() later changes socket state\nfrom TCP_SYN_RECV to TCP_ESTABLISH, then look at\nsk-\u003esk_shutdown to finally enter TCP_FIN_WAIT1 state,\nand send a FIN packet from a sane socket state.\n\nThis means tcp_send_fin() can now be called from BH\ncontext, and must use GFP_ATOMIC allocations.\n\n[1]\ndivide error: 0000 [#1] PREEMPT SMP KASAN NOPTI\nCPU: 1 PID: 5084 Comm: syz-executor358 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\n RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767\nCode: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 0f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f af c3 31 d2 \u003c48\u003e f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48\nRSP: 0018:ffffc900031ef3f0 EFLAGS: 00010246\nRAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7\nR10: dffffc0000000000 R11: ffffffff8135e920 R12: ffff88802a9f8d30\nR13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da\nFS: 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f1155bf2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0\nCall Trace:\n \u003cTASK\u003e\n tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/tcp.c:2513\n tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578\n inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680\n sock_recvmsg_nosec net/socket.c:1046 [inline]\n sock_recvmsg+0x109/0x280 net/socket.c:1068\n ____sys_recvmsg+0x1db/0x470 net/socket.c:2803\n ___sys_recvmsg net/socket.c:2845 [inline]\n do_recvmmsg+0x474/0xae0 net/socket.c:2939\n __sys_recvmmsg net/socket.c:3018 [inline]\n __do_sys_recvmmsg net/socket.c:3041 [inline]\n __se_sys_recvmmsg net/socket.c:3034 [inline]\n __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7faeb6363db9\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9\nRDX: 0000000000000001 RSI: 0000000020000bc0 RDI: 0000000000000005\nRBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c\nR10: 0000000000000122 R11: 0000000000000246 R12: 0000000000000000\nR13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:16:45.826Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/34e41a031fd7523bf1cd00a2adca2370aebea270"
},
{
"url": "https://git.kernel.org/stable/c/ed5e279b69e007ce6c0fe82a5a534c1b19783214"
},
{
"url": "https://git.kernel.org/stable/c/413c33b9f3bc36fdf719690a78824db9f88a9485"
},
{
"url": "https://git.kernel.org/stable/c/2552c9d9440f8e7a2ed0660911ff00f25b90a0a4"
},
{
"url": "https://git.kernel.org/stable/c/3fe4ef0568a48369b1891395d13ac593b1ba41b1"
},
{
"url": "https://git.kernel.org/stable/c/f47d0d32fa94e815fdd78b8b88684873e67939f4"
},
{
"url": "https://git.kernel.org/stable/c/cbf232ba11bc86a5281b4f00e1151349ef4d45cf"
},
{
"url": "https://git.kernel.org/stable/c/94062790aedb505bdda209b10bea47b294d6394f"
},
{
"url": "https://www.openwall.com/lists/oss-security/2024/10/29/1"
}
],
"title": "tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-36905",
"datePublished": "2024-05-30T15:29:06.046Z",
"dateReserved": "2024-05-30T15:25:07.067Z",
"dateUpdated": "2026-05-12T11:54:14.051Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2024-36905",
"date": "2026-09-16",
"epss": "0.00332",
"percentile": "0.26348"
},
"fkie_nvd": {
"descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets\\n\\nTCP_SYN_RECV state is really special, it is only used by\\ncross-syn connections, mostly used by fuzzers.\\n\\nIn the following crash [1], syzbot managed to trigger a divide\\nby zero in tcp_rcv_space_adjust()\\n\\nA socket makes the following state transitions,\\nwithout ever calling tcp_init_transfer(),\\nmeaning tcp_init_buffer_space() is also not called.\\n\\n TCP_CLOSE\\nconnect()\\n TCP_SYN_SENT\\n TCP_SYN_RECV\\nshutdown() -\u003e tcp_shutdown(sk, SEND_SHUTDOWN)\\n TCP_FIN_WAIT1\\n\\nTo fix this issue, change tcp_shutdown() to not\\nperform a TCP_SYN_RECV -\u003e TCP_FIN_WAIT1 transition,\\nwhich makes no sense anyway.\\n\\nWhen tcp_rcv_state_process() later changes socket state\\nfrom TCP_SYN_RECV to TCP_ESTABLISH, then look at\\nsk-\u003esk_shutdown to finally enter TCP_FIN_WAIT1 state,\\nand send a FIN packet from a sane socket state.\\n\\nThis means tcp_send_fin() can now be called from BH\\ncontext, and must use GFP_ATOMIC allocations.\\n\\n[1]\\ndivide error: 0000 [#1] PREEMPT SMP KASAN NOPTI\\nCPU: 1 PID: 5084 Comm: syz-executor358 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\\n RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767\\nCode: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 0f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f af c3 31 d2 \u003c48\u003e f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48\\nRSP: 0018:ffffc900031ef3f0 EFLAGS: 00010246\\nRAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\\nRBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7\\nR10: dffffc0000000000 R11: ffffffff8135e920 R12: ffff88802a9f8d30\\nR13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da\\nFS: 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 00007f1155bf2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0\\nCall Trace:\\n \u003cTASK\u003e\\n tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/tcp.c:2513\\n tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578\\n inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680\\n sock_recvmsg_nosec net/socket.c:1046 [inline]\\n sock_recvmsg+0x109/0x280 net/socket.c:1068\\n ____sys_recvmsg+0x1db/0x470 net/socket.c:2803\\n ___sys_recvmsg net/socket.c:2845 [inline]\\n do_recvmmsg+0x474/0xae0 net/socket.c:2939\\n __sys_recvmmsg net/socket.c:3018 [inline]\\n __do_sys_recvmmsg net/socket.c:3041 [inline]\\n __se_sys_recvmmsg net/socket.c:3034 [inline]\\n __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\nRIP: 0033:0x7faeb6363db9\\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\\nRSP: 002b:00007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b\\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9\\nRDX: 0000000000000001 RSI: 0000000020000bc0 RDI: 0000000000000005\\nRBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c\\nR10: 0000000000000122 R11: 0000000000000246 R12: 0000000000000000\\nR13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tcp: diferir apagado (SEND_SHUTDOWN) para sockets TCP_SYN_RECV El estado TCP_SYN_RECV es realmente especial, solo lo usan conexiones cross-syn, principalmente usado por fuzzers. En el siguiente fallo [1], syzbot logr\\u00f3 activar una divisi\\u00f3n por cero en tcp_rcv_space_adjust(). Un socket realiza las siguientes transiciones de estado, sin siquiera llamar a tcp_init_transfer(), lo que significa que tampoco se llama a tcp_init_buffer_space(). TCP_CLOSE connect() TCP_SYN_SENT TCP_SYN_RECV Shutdown() -\u0026gt; tcp_shutdown(sk, SEND_SHUTDOWN) TCP_FIN_WAIT1 Para solucionar este problema, cambie tcp_shutdown() para no realizar una transici\\u00f3n TCP_SYN_RECV -\u0026gt; TCP_FIN_WAIT1, lo que de todos modos no tiene sentido. Cuando tcp_rcv_state_process() luego cambie el estado del socket de TCP_SYN_RECV a TCP_ESTABLISH, mire sk-\u0026gt;sk_shutdown para finalmente ingresar al estado TCP_FIN_WAIT1 y env\\u00ede un paquete FIN desde un estado de socket sano. Esto significa que ahora se puede llamar a tcp_send_fin() desde el contexto BH y debe usar asignaciones GFP_ATOMIC. [1] error de divisi\\u00f3n: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5084 Comm: syz-executor358 No contaminado 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0 Nombre de hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 27/03/2024 RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767 C\\u00f3digo: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f c3 31 d2 \u0026lt;48\u0026gt; f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48 : 0018: ffffc900031ef3f0 EFLAGS: 00010246 RAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000 0000000 RDI: 0000000000000000 RBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7 R10: dffffc0000000000 R11: ffffffff8135e920 R12: 802a9f8d30 R13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da FS : 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: f2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0 Seguimiento de llamadas: tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/ tcp.c:2513 tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578 inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680 sock_recvmsg_nosec net/socket.c:1046 [en l\\u00ednea] +0x109/0x280 neto /socket.c:1068 ____sys_recvmsg+0x1db/0x470 net/socket.c:2803 ___sys_recvmsg net/socket.c:2845 [en l\\u00ednea] do_recvmmsg+0x474/0xae0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [ en l\\u00ednea] __do_sys_recvmmsg net/socket.c:3041 [en l\\u00ednea] __se_sys_recvmmsg net/socket.c:3034 [en l\\u00ednea] __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c :52 [en l\\u00ednea ] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faeb6363db9 C\\u00f3digo: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u0026lt;48\u0026gt; 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP:00 007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9 RDX: 0000000000000001 RSI: 00000000200 00bc0 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c R10: 0000000000000122 R11: 000000000000 0246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001\"}]",
"id": "CVE-2024-36905",
"lastModified": "2024-11-21T09:22:46.913",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
"published": "2024-05-30T16:15:14.030",
"references": "[{\"url\": \"https://git.kernel.org/stable/c/2552c9d9440f8e7a2ed0660911ff00f25b90a0a4\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/34e41a031fd7523bf1cd00a2adca2370aebea270\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/3fe4ef0568a48369b1891395d13ac593b1ba41b1\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/413c33b9f3bc36fdf719690a78824db9f88a9485\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/94062790aedb505bdda209b10bea47b294d6394f\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/cbf232ba11bc86a5281b4f00e1151349ef4d45cf\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/ed5e279b69e007ce6c0fe82a5a534c1b19783214\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/f47d0d32fa94e815fdd78b8b88684873e67939f4\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://www.openwall.com/lists/oss-security/2024/10/29/1\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/10/29/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/10/30/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/11/12/4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/11/12/5\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/11/12/6\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/2552c9d9440f8e7a2ed0660911ff00f25b90a0a4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/34e41a031fd7523bf1cd00a2adca2370aebea270\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/3fe4ef0568a48369b1891395d13ac593b1ba41b1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/413c33b9f3bc36fdf719690a78824db9f88a9485\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/94062790aedb505bdda209b10bea47b294d6394f\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/cbf232ba11bc86a5281b4f00e1151349ef4d45cf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/ed5e279b69e007ce6c0fe82a5a534c1b19783214\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/f47d0d32fa94e815fdd78b8b88684873e67939f4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240905-0005/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://access.redhat.com/security/cve/cve-2024-36905\", \"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\"}, {\"url\": \"https://alas.aws.amazon.com/cve/html/CVE-2024-36905.html\", \"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\"}, {\"url\": \"https://github.com/cisagov/vulnrichment/issues/130\", \"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\"}, {\"url\": \"https://www.openwall.com/lists/oss-security/2024/11/12/4\", \"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\"}]",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Awaiting Analysis",
"weaknesses": "[{\"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-369\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2024-36905\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-30T16:15:14.030\",\"lastModified\":\"2026-06-17T07:37:19.600\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets\\n\\nTCP_SYN_RECV state is really special, it is only used by\\ncross-syn connections, mostly used by fuzzers.\\n\\nIn the following crash [1], syzbot managed to trigger a divide\\nby zero in tcp_rcv_space_adjust()\\n\\nA socket makes the following state transitions,\\nwithout ever calling tcp_init_transfer(),\\nmeaning tcp_init_buffer_space() is also not called.\\n\\n TCP_CLOSE\\nconnect()\\n TCP_SYN_SENT\\n TCP_SYN_RECV\\nshutdown() -\u003e tcp_shutdown(sk, SEND_SHUTDOWN)\\n TCP_FIN_WAIT1\\n\\nTo fix this issue, change tcp_shutdown() to not\\nperform a TCP_SYN_RECV -\u003e TCP_FIN_WAIT1 transition,\\nwhich makes no sense anyway.\\n\\nWhen tcp_rcv_state_process() later changes socket state\\nfrom TCP_SYN_RECV to TCP_ESTABLISH, then look at\\nsk-\u003esk_shutdown to finally enter TCP_FIN_WAIT1 state,\\nand send a FIN packet from a sane socket state.\\n\\nThis means tcp_send_fin() can now be called from BH\\ncontext, and must use GFP_ATOMIC allocations.\\n\\n[1]\\ndivide error: 0000 [#1] PREEMPT SMP KASAN NOPTI\\nCPU: 1 PID: 5084 Comm: syz-executor358 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\\n RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767\\nCode: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 0f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f af c3 31 d2 \u003c48\u003e f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48\\nRSP: 0018:ffffc900031ef3f0 EFLAGS: 00010246\\nRAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\\nRBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7\\nR10: dffffc0000000000 R11: ffffffff8135e920 R12: ffff88802a9f8d30\\nR13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da\\nFS: 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 00007f1155bf2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0\\nCall Trace:\\n \u003cTASK\u003e\\n tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/tcp.c:2513\\n tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578\\n inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680\\n sock_recvmsg_nosec net/socket.c:1046 [inline]\\n sock_recvmsg+0x109/0x280 net/socket.c:1068\\n ____sys_recvmsg+0x1db/0x470 net/socket.c:2803\\n ___sys_recvmsg net/socket.c:2845 [inline]\\n do_recvmmsg+0x474/0xae0 net/socket.c:2939\\n __sys_recvmmsg net/socket.c:3018 [inline]\\n __do_sys_recvmmsg net/socket.c:3041 [inline]\\n __se_sys_recvmmsg net/socket.c:3034 [inline]\\n __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\nRIP: 0033:0x7faeb6363db9\\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\\nRSP: 002b:00007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b\\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9\\nRDX: 0000000000000001 RSI: 0000000020000bc0 RDI: 0000000000000005\\nRBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c\\nR10: 0000000000000122 R11: 0000000000000246 R12: 0000000000000000\\nR13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tcp: diferir apagado (SEND_SHUTDOWN) para sockets TCP_SYN_RECV El estado TCP_SYN_RECV es realmente especial, solo lo usan conexiones cross-syn, principalmente usado por fuzzers. En el siguiente fallo [1], syzbot logr\u00f3 activar una divisi\u00f3n por cero en tcp_rcv_space_adjust(). Un socket realiza las siguientes transiciones de estado, sin siquiera llamar a tcp_init_transfer(), lo que significa que tampoco se llama a tcp_init_buffer_space(). TCP_CLOSE connect() TCP_SYN_SENT TCP_SYN_RECV Shutdown() -\u0026gt; tcp_shutdown(sk, SEND_SHUTDOWN) TCP_FIN_WAIT1 Para solucionar este problema, cambie tcp_shutdown() para no realizar una transici\u00f3n TCP_SYN_RECV -\u0026gt; TCP_FIN_WAIT1, lo que de todos modos no tiene sentido. Cuando tcp_rcv_state_process() luego cambie el estado del socket de TCP_SYN_RECV a TCP_ESTABLISH, mire sk-\u0026gt;sk_shutdown para finalmente ingresar al estado TCP_FIN_WAIT1 y env\u00ede un paquete FIN desde un estado de socket sano. Esto significa que ahora se puede llamar a tcp_send_fin() desde el contexto BH y debe usar asignaciones GFP_ATOMIC. [1] error de divisi\u00f3n: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5084 Comm: syz-executor358 No contaminado 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0 Nombre de hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 27/03/2024 RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767 C\u00f3digo: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f c3 31 d2 \u0026lt;48\u0026gt; f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48 : 0018: ffffc900031ef3f0 EFLAGS: 00010246 RAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000 0000000 RDI: 0000000000000000 RBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7 R10: dffffc0000000000 R11: ffffffff8135e920 R12: 802a9f8d30 R13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da FS : 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: f2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0 Seguimiento de llamadas: tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/ tcp.c:2513 tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578 inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680 sock_recvmsg_nosec net/socket.c:1046 [en l\u00ednea] +0x109/0x280 neto /socket.c:1068 ____sys_recvmsg+0x1db/0x470 net/socket.c:2803 ___sys_recvmsg net/socket.c:2845 [en l\u00ednea] do_recvmmsg+0x474/0xae0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [ en l\u00ednea] __do_sys_recvmmsg net/socket.c:3041 [en l\u00ednea] __se_sys_recvmmsg net/socket.c:3034 [en l\u00ednea] __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c :52 [en l\u00ednea ] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faeb6363db9 C\u00f3digo: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u0026lt;48\u0026gt; 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP:00 007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9 RDX: 0000000000000001 RSI: 00000000200 00bc0 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c R10: 0000000000000122 R11: 000000000000 0246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T07:54:36+00:00",
"cve": "CVE-2024-36905",
"id": "CVE-2024-36905",
"initial_release_date": "2024-05-30T00:00:00+00:00",
"product_status:fixed": "709",
"product_status:known_affected": "64",
"product_status:known_not_affected": "8",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-36905.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-31T13:55:10Z",
"cve": "CVE-2024-36905",
"id": "CVE-2024-36905",
"initial_release_date": "2024-06-01T02:23:29Z",
"product_status:known_affected": "565",
"product_status:known_not_affected": "31",
"product_status:recommended": "609",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-36905",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-36905.json",
"version": "94"
},
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\"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.217\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.159\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.91\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.31\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.10\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/ipv4/tcp.c\", \"net/ipv4/tcp_input.c\", \"net/ipv4/tcp_output.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/34e41a031fd7523bf1cd00a2adca2370aebea270\"}, {\"url\": \"https://git.kernel.org/stable/c/ed5e279b69e007ce6c0fe82a5a534c1b19783214\"}, {\"url\": \"https://git.kernel.org/stable/c/413c33b9f3bc36fdf719690a78824db9f88a9485\"}, {\"url\": \"https://git.kernel.org/stable/c/2552c9d9440f8e7a2ed0660911ff00f25b90a0a4\"}, {\"url\": \"https://git.kernel.org/stable/c/3fe4ef0568a48369b1891395d13ac593b1ba41b1\"}, {\"url\": \"https://git.kernel.org/stable/c/f47d0d32fa94e815fdd78b8b88684873e67939f4\"}, {\"url\": \"https://git.kernel.org/stable/c/cbf232ba11bc86a5281b4f00e1151349ef4d45cf\"}, {\"url\": \"https://git.kernel.org/stable/c/94062790aedb505bdda209b10bea47b294d6394f\"}, {\"url\": \"https://www.openwall.com/lists/oss-security/2024/10/29/1\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets\\n\\nTCP_SYN_RECV state is really special, it is only used by\\ncross-syn connections, mostly used by fuzzers.\\n\\nIn the following crash [1], syzbot managed to trigger a divide\\nby zero in tcp_rcv_space_adjust()\\n\\nA socket makes the following state transitions,\\nwithout ever calling tcp_init_transfer(),\\nmeaning tcp_init_buffer_space() is also not called.\\n\\n TCP_CLOSE\\nconnect()\\n TCP_SYN_SENT\\n TCP_SYN_RECV\\nshutdown() -\u003e tcp_shutdown(sk, SEND_SHUTDOWN)\\n TCP_FIN_WAIT1\\n\\nTo fix this issue, change tcp_shutdown() to not\\nperform a TCP_SYN_RECV -\u003e TCP_FIN_WAIT1 transition,\\nwhich makes no sense anyway.\\n\\nWhen tcp_rcv_state_process() later changes socket state\\nfrom TCP_SYN_RECV to TCP_ESTABLISH, then look at\\nsk-\u003esk_shutdown to finally enter TCP_FIN_WAIT1 state,\\nand send a FIN packet from a sane socket state.\\n\\nThis means tcp_send_fin() can now be called from BH\\ncontext, and must use GFP_ATOMIC allocations.\\n\\n[1]\\ndivide error: 0000 [#1] PREEMPT SMP KASAN NOPTI\\nCPU: 1 PID: 5084 Comm: syz-executor358 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\\n RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767\\nCode: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 0f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f af c3 31 d2 \u003c48\u003e f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48\\nRSP: 0018:ffffc900031ef3f0 EFLAGS: 00010246\\nRAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\\nRBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7\\nR10: dffffc0000000000 R11: ffffffff8135e920 R12: ffff88802a9f8d30\\nR13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da\\nFS: 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 00007f1155bf2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0\\nCall Trace:\\n \u003cTASK\u003e\\n tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/tcp.c:2513\\n tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578\\n inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680\\n sock_recvmsg_nosec net/socket.c:1046 [inline]\\n sock_recvmsg+0x109/0x280 net/socket.c:1068\\n ____sys_recvmsg+0x1db/0x470 net/socket.c:2803\\n ___sys_recvmsg net/socket.c:2845 [inline]\\n do_recvmmsg+0x474/0xae0 net/socket.c:2939\\n __sys_recvmmsg net/socket.c:3018 [inline]\\n __do_sys_recvmmsg net/socket.c:3041 [inline]\\n __se_sys_recvmmsg net/socket.c:3034 [inline]\\n __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\nRIP: 0033:0x7faeb6363db9\\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\\nRSP: 002b:00007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b\\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9\\nRDX: 0000000000000001 RSI: 0000000020000bc0 RDI: 0000000000000005\\nRBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c\\nR10: 0000000000000122 R11: 0000000000000246 R12: 0000000000000000\\nR13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.314\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.276\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.217\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.159\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.91\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.31\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.10\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"2.6.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:11:47.697Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-36905\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:11:47.697Z\", \"dateReserved\": \"2024-05-30T15:25:07.067Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-30T15:29:06.046Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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