FKIE_CVE-2024-36905

Vulnerability from fkie_nvd - Published: 2024-05-30 16:15 - Updated: 2026-01-22 20:27
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2552c9d9440f8e7a2ed0660911ff00f25b90a0a4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/34e41a031fd7523bf1cd00a2adca2370aebea270Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3fe4ef0568a48369b1891395d13ac593b1ba41b1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/413c33b9f3bc36fdf719690a78824db9f88a9485Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/94062790aedb505bdda209b10bea47b294d6394fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cbf232ba11bc86a5281b4f00e1151349ef4d45cfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ed5e279b69e007ce6c0fe82a5a534c1b19783214Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f47d0d32fa94e815fdd78b8b88684873e67939f4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://www.openwall.com/lists/oss-security/2024/10/29/1Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/10/29/1Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/10/30/1Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/11/12/4Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/11/12/5Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/11/12/6Mailing List
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2552c9d9440f8e7a2ed0660911ff00f25b90a0a4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/34e41a031fd7523bf1cd00a2adca2370aebea270Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3fe4ef0568a48369b1891395d13ac593b1ba41b1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/413c33b9f3bc36fdf719690a78824db9f88a9485Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/94062790aedb505bdda209b10bea47b294d6394fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cbf232ba11bc86a5281b4f00e1151349ef4d45cfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ed5e279b69e007ce6c0fe82a5a534c1b19783214Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f47d0d32fa94e815fdd78b8b88684873e67939f4Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00019.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240905-0005/Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://access.redhat.com/security/cve/cve-2024-36905Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://alas.aws.amazon.com/cve/html/CVE-2024-36905.htmlThird Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/cisagov/vulnrichment/issues/130Issue Tracking
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.openwall.com/lists/oss-security/2024/11/12/4Mailing List
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 2.6.12
linux linux_kernel 2.6.12
linux linux_kernel 2.6.12
linux linux_kernel 2.6.12
linux linux_kernel 2.6.12
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
debian debian_linux 10.0
To clipboard 

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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"
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    {
      "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": "2026-01-22T20:27:12.320",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-05-30T16:15:14.030",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "url": "https://git.kernel.org/stable/c/413c33b9f3bc36fdf719690a78824db9f88a9485"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/cisagov/vulnrichment/issues/130"
    },
    {
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      "url": "https://www.openwall.com/lists/oss-security/2024/11/12/4"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-369"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • 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.
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