CVE-2024-38596 (GCVE-0-2024-38596)
Vulnerability from cvelistv5 – Published: 2024-06-19 13:45 – Updated: 2026-05-12 11:54
VLAI
EPSS
VEX
Title
af_unix: Fix data races in unix_release_sock/unix_stream_sendmsg
Summary
In the Linux kernel, the following vulnerability has been resolved:
af_unix: Fix data races in unix_release_sock/unix_stream_sendmsg
A data-race condition has been identified in af_unix. In one data path,
the write function unix_release_sock() atomically writes to
sk->sk_shutdown using WRITE_ONCE. However, on the reader side,
unix_stream_sendmsg() does not read it atomically. Consequently, this
issue is causing the following KCSAN splat to occur:
BUG: KCSAN: data-race in unix_release_sock / unix_stream_sendmsg
write (marked) to 0xffff88867256ddbb of 1 bytes by task 7270 on cpu 28:
unix_release_sock (net/unix/af_unix.c:640)
unix_release (net/unix/af_unix.c:1050)
sock_close (net/socket.c:659 net/socket.c:1421)
__fput (fs/file_table.c:422)
__fput_sync (fs/file_table.c:508)
__se_sys_close (fs/open.c:1559 fs/open.c:1541)
__x64_sys_close (fs/open.c:1541)
x64_sys_call (arch/x86/entry/syscall_64.c:33)
do_syscall_64 (arch/x86/entry/common.c:?)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
read to 0xffff88867256ddbb of 1 bytes by task 989 on cpu 14:
unix_stream_sendmsg (net/unix/af_unix.c:2273)
__sock_sendmsg (net/socket.c:730 net/socket.c:745)
____sys_sendmsg (net/socket.c:2584)
__sys_sendmmsg (net/socket.c:2638 net/socket.c:2724)
__x64_sys_sendmmsg (net/socket.c:2753 net/socket.c:2750 net/socket.c:2750)
x64_sys_call (arch/x86/entry/syscall_64.c:33)
do_syscall_64 (arch/x86/entry/common.c:?)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
value changed: 0x01 -> 0x03
The line numbers are related to commit dd5a440a31fa ("Linux 6.9-rc7").
Commit e1d09c2c2f57 ("af_unix: Fix data races around sk->sk_shutdown.")
addressed a comparable issue in the past regarding sk->sk_shutdown.
However, it overlooked resolving this particular data path.
This patch only offending unix_stream_sendmsg() function, since the
other reads seem to be protected by unix_state_lock() as discussed in
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:13 UTC
Assigner
References
13 references
Impacted products
9 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fca6072e1a7b1e709ada5604b951513b89b4bd0a
(git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < de6641d213373fbde9bbdd7c4b552254bc9f82fe (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4d51845d734a4c5d079e56e0916f936a55e15055 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9aa8773abfa0e954136875b4cbf2df4cf638e8a5 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8299e4d778f664b31b67cf4cf3d5409de2ecb92c (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 0688d4e499bee3f2749bca27329bd128686230cb (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a4c88072abcaca593cefe70f90e9d3707526e8f9 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a52fa2addfcccc2c5a0217fd45562605088c018b (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 540bf24fba16b88c1b3b9353927204b4f1074e25 (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.12
Unaffected: 0 , < 2.6.12 (semver) Unaffected: 4.19.316 , ≤ 4.19.* (semver) Unaffected: 5.4.278 , ≤ 5.4.* (semver) Unaffected: 5.10.219 , ≤ 5.10.* (semver) Unaffected: 5.15.161 , ≤ 5.15.* (semver) Unaffected: 6.1.93 , ≤ 6.1.* (semver) Unaffected: 6.6.33 , ≤ 6.6.* (semver) Unaffected: 6.8.12 , ≤ 6.8.* (semver) Unaffected: 6.9.3 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
guessed | |
| 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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Fix data races in unix_release_sock/unix_stream_sendmsg\n\nA data-race condition has been identified in af_unix. In one data path,\nthe write function unix_release_sock() atomically writes to\nsk-\u003esk_shutdown using WRITE_ONCE. However, on the reader side,\nunix_stream_sendmsg() does not read it atomically. Consequently, this\nissue is causing the following KCSAN splat to occur:\n\n\tBUG: KCSAN: data-race in unix_release_sock / unix_stream_sendmsg\n\n\twrite (marked) to 0xffff88867256ddbb of 1 bytes by task 7270 on cpu 28:\n\tunix_release_sock (net/unix/af_unix.c:640)\n\tunix_release (net/unix/af_unix.c:1050)\n\tsock_close (net/socket.c:659 net/socket.c:1421)\n\t__fput (fs/file_table.c:422)\n\t__fput_sync (fs/file_table.c:508)\n\t__se_sys_close (fs/open.c:1559 fs/open.c:1541)\n\t__x64_sys_close (fs/open.c:1541)\n\tx64_sys_call (arch/x86/entry/syscall_64.c:33)\n\tdo_syscall_64 (arch/x86/entry/common.c:?)\n\tentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n\n\tread to 0xffff88867256ddbb of 1 bytes by task 989 on cpu 14:\n\tunix_stream_sendmsg (net/unix/af_unix.c:2273)\n\t__sock_sendmsg (net/socket.c:730 net/socket.c:745)\n\t____sys_sendmsg (net/socket.c:2584)\n\t__sys_sendmmsg (net/socket.c:2638 net/socket.c:2724)\n\t__x64_sys_sendmmsg (net/socket.c:2753 net/socket.c:2750 net/socket.c:2750)\n\tx64_sys_call (arch/x86/entry/syscall_64.c:33)\n\tdo_syscall_64 (arch/x86/entry/common.c:?)\n\tentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n\n\tvalue changed: 0x01 -\u003e 0x03\n\nThe line numbers are related to commit dd5a440a31fa (\"Linux 6.9-rc7\").\n\nCommit e1d09c2c2f57 (\"af_unix: Fix data races around sk-\u003esk_shutdown.\")\naddressed a comparable issue in the past regarding sk-\u003esk_shutdown.\nHowever, it overlooked resolving this particular data path.\nThis patch only offending unix_stream_sendmsg() function, since the\nother reads seem to be protected by unix_state_lock() as discussed in"
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"dateReserved": "2024-06-18T19:36:34.931Z",
"dateUpdated": "2026-05-12T11:54:53.796Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2024-38596",
"date": "2026-09-16",
"epss": "0.00186",
"percentile": "0.08487"
},
"fkie_nvd": {
"descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\naf_unix: Fix data races in unix_release_sock/unix_stream_sendmsg\\n\\nA data-race condition has been identified in af_unix. In one data path,\\nthe write function unix_release_sock() atomically writes to\\nsk-\u003esk_shutdown using WRITE_ONCE. However, on the reader side,\\nunix_stream_sendmsg() does not read it atomically. Consequently, this\\nissue is causing the following KCSAN splat to occur:\\n\\n\\tBUG: KCSAN: data-race in unix_release_sock / unix_stream_sendmsg\\n\\n\\twrite (marked) to 0xffff88867256ddbb of 1 bytes by task 7270 on cpu 28:\\n\\tunix_release_sock (net/unix/af_unix.c:640)\\n\\tunix_release (net/unix/af_unix.c:1050)\\n\\tsock_close (net/socket.c:659 net/socket.c:1421)\\n\\t__fput (fs/file_table.c:422)\\n\\t__fput_sync (fs/file_table.c:508)\\n\\t__se_sys_close (fs/open.c:1559 fs/open.c:1541)\\n\\t__x64_sys_close (fs/open.c:1541)\\n\\tx64_sys_call (arch/x86/entry/syscall_64.c:33)\\n\\tdo_syscall_64 (arch/x86/entry/common.c:?)\\n\\tentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\\n\\n\\tread to 0xffff88867256ddbb of 1 bytes by task 989 on cpu 14:\\n\\tunix_stream_sendmsg (net/unix/af_unix.c:2273)\\n\\t__sock_sendmsg (net/socket.c:730 net/socket.c:745)\\n\\t____sys_sendmsg (net/socket.c:2584)\\n\\t__sys_sendmmsg (net/socket.c:2638 net/socket.c:2724)\\n\\t__x64_sys_sendmmsg (net/socket.c:2753 net/socket.c:2750 net/socket.c:2750)\\n\\tx64_sys_call (arch/x86/entry/syscall_64.c:33)\\n\\tdo_syscall_64 (arch/x86/entry/common.c:?)\\n\\tentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\\n\\n\\tvalue changed: 0x01 -\u003e 0x03\\n\\nThe line numbers are related to commit dd5a440a31fa (\\\"Linux 6.9-rc7\\\").\\n\\nCommit e1d09c2c2f57 (\\\"af_unix: Fix data races around sk-\u003esk_shutdown.\\\")\\naddressed a comparable issue in the past regarding sk-\u003esk_shutdown.\\nHowever, it overlooked resolving this particular data path.\\nThis patch only offending unix_stream_sendmsg() function, since the\\nother reads seem to be protected by unix_state_lock() as discussed in\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se resolvi\\u00f3 la siguiente vulnerabilidad: af_unix: corrige ejecuci\\u00f3ns de datos en unix_release_sock/unix_stream_sendmsg Se identific\\u00f3 una condici\\u00f3n de ejecuci\\u00f3n de datos en af_unix. En una ruta de datos, la funci\\u00f3n de escritura unix_release_sock() escribe at\\u00f3micamente en sk-\u0026gt;sk_shutdown usando WRITE_ONCE. Sin embargo, en el lado del lector, unix_stream_sendmsg() no lo lee at\\u00f3micamente. En consecuencia, este problema est\\u00e1 provocando que se produzca el siguiente s\\u00edmbolo de KCSAN: ERROR: KCSAN: data-race en unix_release_sock / unix_stream_sendmsg escribe (marcado) en 0xffff88867256ddbb de 1 byte por tarea 7270 en la CPU 28: unix_release_sock (net/unix/af_unix.c: 640) unix_release (net/unix/af_unix.c:1050) sock_close (net/socket.c:659 net/socket.c:1421) __fput (fs/file_table.c:422) __fput_sync (fs/file_table.c:508 ) __se_sys_close (fs/open.c:1559 fs/open.c:1541) __x64_sys_close (fs/open.c:1541) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/ common.c:?) Entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) le\\u00eddo en 0xffff88867256ddbb de 1 bytes por la tarea 989 en la CPU 14: unix_stream_sendmsg (net/unix/af_unix.c:2273) __sock_sendmsg (net/socket .c:730 net/socket.c:745) ____sys_sendmsg (net/socket.c:2584) __sys_sendmmsg (net/socket.c:2638 net/socket.c:2724) __x64_sys_sendmmsg (net/socket.c:2753 net/ socket.c:2750 net/socket.c:2750) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/common.c:?) Entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64 .S:130) valor cambiado: 0x01 -\u0026gt; 0x03 Los n\\u00fameros de l\\u00ednea est\\u00e1n relacionados con el commit dd5a440a31fa (\\\"Linux 6.9-rc7\\\"). El commit e1d09c2c2f57 (\\\"af_unix: corregir ejecuci\\u00f3ns de datos alrededor de sk-\u0026gt;sk_shutdown.\\\") abord\\u00f3 un problema comparable en el pasado con respecto a sk-\u0026gt;sk_shutdown. Sin embargo, pas\\u00f3 por alto resolver esta ruta de datos en particular. Este parche solo ofende la funci\\u00f3n unix_stream_sendmsg(), ya que las otras lecturas parecen estar protegidas por unix_state_lock() como se explica en\"}]",
"id": "CVE-2024-38596",
"lastModified": "2024-11-21T09:26:26.643",
"published": "2024-06-19T14:15:19.640",
"references": "[{\"url\": \"https://git.kernel.org/stable/c/0688d4e499bee3f2749bca27329bd128686230cb\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/4d51845d734a4c5d079e56e0916f936a55e15055\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/540bf24fba16b88c1b3b9353927204b4f1074e25\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/8299e4d778f664b31b67cf4cf3d5409de2ecb92c\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/9aa8773abfa0e954136875b4cbf2df4cf638e8a5\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/a4c88072abcaca593cefe70f90e9d3707526e8f9\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/a52fa2addfcccc2c5a0217fd45562605088c018b\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/de6641d213373fbde9bbdd7c4b552254bc9f82fe\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/fca6072e1a7b1e709ada5604b951513b89b4bd0a\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/0688d4e499bee3f2749bca27329bd128686230cb\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/4d51845d734a4c5d079e56e0916f936a55e15055\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/540bf24fba16b88c1b3b9353927204b4f1074e25\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/8299e4d778f664b31b67cf4cf3d5409de2ecb92c\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/9aa8773abfa0e954136875b4cbf2df4cf638e8a5\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/a4c88072abcaca593cefe70f90e9d3707526e8f9\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/a52fa2addfcccc2c5a0217fd45562605088c018b\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/de6641d213373fbde9bbdd7c4b552254bc9f82fe\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/fca6072e1a7b1e709ada5604b951513b89b4bd0a\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Awaiting Analysis"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2024-38596\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-19T14:15:19.640\",\"lastModified\":\"2026-06-17T07:40:40.420\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\naf_unix: Fix data races in unix_release_sock/unix_stream_sendmsg\\n\\nA data-race condition has been identified in af_unix. In one data path,\\nthe write function unix_release_sock() atomically writes to\\nsk-\u003esk_shutdown using WRITE_ONCE. However, on the reader side,\\nunix_stream_sendmsg() does not read it atomically. Consequently, this\\nissue is causing the following KCSAN splat to occur:\\n\\n\\tBUG: KCSAN: data-race in unix_release_sock / unix_stream_sendmsg\\n\\n\\twrite (marked) to 0xffff88867256ddbb of 1 bytes by task 7270 on cpu 28:\\n\\tunix_release_sock (net/unix/af_unix.c:640)\\n\\tunix_release (net/unix/af_unix.c:1050)\\n\\tsock_close (net/socket.c:659 net/socket.c:1421)\\n\\t__fput (fs/file_table.c:422)\\n\\t__fput_sync (fs/file_table.c:508)\\n\\t__se_sys_close (fs/open.c:1559 fs/open.c:1541)\\n\\t__x64_sys_close (fs/open.c:1541)\\n\\tx64_sys_call (arch/x86/entry/syscall_64.c:33)\\n\\tdo_syscall_64 (arch/x86/entry/common.c:?)\\n\\tentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\\n\\n\\tread to 0xffff88867256ddbb of 1 bytes by task 989 on cpu 14:\\n\\tunix_stream_sendmsg (net/unix/af_unix.c:2273)\\n\\t__sock_sendmsg (net/socket.c:730 net/socket.c:745)\\n\\t____sys_sendmsg (net/socket.c:2584)\\n\\t__sys_sendmmsg (net/socket.c:2638 net/socket.c:2724)\\n\\t__x64_sys_sendmmsg (net/socket.c:2753 net/socket.c:2750 net/socket.c:2750)\\n\\tx64_sys_call (arch/x86/entry/syscall_64.c:33)\\n\\tdo_syscall_64 (arch/x86/entry/common.c:?)\\n\\tentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\\n\\n\\tvalue changed: 0x01 -\u003e 0x03\\n\\nThe line numbers are related to commit dd5a440a31fa (\\\"Linux 6.9-rc7\\\").\\n\\nCommit e1d09c2c2f57 (\\\"af_unix: Fix data races around sk-\u003esk_shutdown.\\\")\\naddressed a comparable issue in the past regarding sk-\u003esk_shutdown.\\nHowever, it overlooked resolving this particular data path.\\nThis patch only offending unix_stream_sendmsg() function, since the\\nother reads seem to be protected by unix_state_lock() as discussed in\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: af_unix: corrige ejecuci\u00f3ns de datos en unix_release_sock/unix_stream_sendmsg Se identific\u00f3 una condici\u00f3n de ejecuci\u00f3n de datos en af_unix. En una ruta de datos, la funci\u00f3n de escritura unix_release_sock() escribe at\u00f3micamente en sk-\u0026gt;sk_shutdown usando WRITE_ONCE. Sin embargo, en el lado del lector, unix_stream_sendmsg() no lo lee at\u00f3micamente. En consecuencia, este problema est\u00e1 provocando que se produzca el siguiente s\u00edmbolo de KCSAN: ERROR: KCSAN: data-race en unix_release_sock / unix_stream_sendmsg escribe (marcado) en 0xffff88867256ddbb de 1 byte por tarea 7270 en la CPU 28: unix_release_sock (net/unix/af_unix.c: 640) unix_release (net/unix/af_unix.c:1050) sock_close (net/socket.c:659 net/socket.c:1421) __fput (fs/file_table.c:422) __fput_sync (fs/file_table.c:508 ) __se_sys_close (fs/open.c:1559 fs/open.c:1541) __x64_sys_close (fs/open.c:1541) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/ common.c:?) Entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) le\u00eddo en 0xffff88867256ddbb de 1 bytes por la tarea 989 en la CPU 14: unix_stream_sendmsg (net/unix/af_unix.c:2273) __sock_sendmsg (net/socket .c:730 net/socket.c:745) ____sys_sendmsg (net/socket.c:2584) __sys_sendmmsg (net/socket.c:2638 net/socket.c:2724) __x64_sys_sendmmsg (net/socket.c:2753 net/ socket.c:2750 net/socket.c:2750) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/common.c:?) Entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64 .S:130) valor cambiado: 0x01 -\u0026gt; 0x03 Los n\u00fameros de l\u00ednea est\u00e1n relacionados con el commit dd5a440a31fa (\\\"Linux 6.9-rc7\\\"). El commit e1d09c2c2f57 (\\\"af_unix: corregir ejecuci\u00f3ns de datos alrededor de sk-\u0026gt;sk_shutdown.\\\") abord\u00f3 un problema comparable en el pasado con respecto a sk-\u0026gt;sk_shutdown. Sin embargo, pas\u00f3 por alto resolver esta ruta de datos en particular. Este parche solo ofende la funci\u00f3n unix_stream_sendmsg(), ya que las otras lecturas parecen estar protegidas por unix_state_lock() como se explica en\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/unix/af_unix.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"fca6072e1a7b1e709ada5604b951513b89b4bd0a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"de6641d213373fbde9bbdd7c4b552254bc9f82fe\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"4d51845d734a4c5d079e56e0916f936a55e15055\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"9aa8773abfa0e954136875b4cbf2df4cf638e8a5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"8299e4d778f664b31b67cf4cf3d5409de2ecb92c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"0688d4e499bee3f2749bca27329bd128686230cb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"a4c88072abcaca593cefe70f90e9d3707526e8f9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"a52fa2addfcccc2c5a0217fd45562605088c018b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"540bf24fba16b88c1b3b9353927204b4f1074e25\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/unix/af_unix.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.12\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.12\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.316\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.278\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.219\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.161\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.93\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.33\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.8.12\",\"lessThanOrEqual\":\"6.8.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.9.3\",\"lessThanOrEqual\":\"6.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"RUGGEDCOM RST2428P\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V3.1\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SCALANCE XCM-/XRM-/XCH-/XRH-300 family\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V3.1\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 CPU 1518-4 PN/DP 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"id": "CVE-2024-38596",
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"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: af_unix: Fix data races in unix_release_sock/unix_stream_sendmsg",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-38596.json",
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"source": "SUSE CSAF VEX",
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"title": "SUSE CVE CVE-2024-38596",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-38596.json",
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In one data path,\\nthe write function unix_release_sock() atomically writes to\\nsk-\u003esk_shutdown using WRITE_ONCE. However, on the reader side,\\nunix_stream_sendmsg() does not read it atomically. Consequently, this\\nissue is causing the following KCSAN splat to occur:\\n\\n\\tBUG: KCSAN: data-race in unix_release_sock / unix_stream_sendmsg\\n\\n\\twrite (marked) to 0xffff88867256ddbb of 1 bytes by task 7270 on cpu 28:\\n\\tunix_release_sock (net/unix/af_unix.c:640)\\n\\tunix_release (net/unix/af_unix.c:1050)\\n\\tsock_close (net/socket.c:659 net/socket.c:1421)\\n\\t__fput (fs/file_table.c:422)\\n\\t__fput_sync (fs/file_table.c:508)\\n\\t__se_sys_close (fs/open.c:1559 fs/open.c:1541)\\n\\t__x64_sys_close (fs/open.c:1541)\\n\\tx64_sys_call (arch/x86/entry/syscall_64.c:33)\\n\\tdo_syscall_64 (arch/x86/entry/common.c:?)\\n\\tentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\\n\\n\\tread to 0xffff88867256ddbb of 1 bytes by task 989 on cpu 14:\\n\\tunix_stream_sendmsg (net/unix/af_unix.c:2273)\\n\\t__sock_sendmsg (net/socket.c:730 net/socket.c:745)\\n\\t____sys_sendmsg (net/socket.c:2584)\\n\\t__sys_sendmmsg (net/socket.c:2638 net/socket.c:2724)\\n\\t__x64_sys_sendmmsg (net/socket.c:2753 net/socket.c:2750 net/socket.c:2750)\\n\\tx64_sys_call (arch/x86/entry/syscall_64.c:33)\\n\\tdo_syscall_64 (arch/x86/entry/common.c:?)\\n\\tentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\\n\\n\\tvalue changed: 0x01 -\u003e 0x03\\n\\nThe line numbers are related to commit dd5a440a31fa (\\\"Linux 6.9-rc7\\\").\\n\\nCommit e1d09c2c2f57 (\\\"af_unix: Fix data races around sk-\u003esk_shutdown.\\\")\\naddressed a comparable issue in the past regarding sk-\u003esk_shutdown.\\nHowever, it overlooked resolving this particular data path.\\nThis patch only offending unix_stream_sendmsg() function, since the\\nother reads seem to be protected by unix_state_lock() as discussed in\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.316\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.278\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.219\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.161\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.93\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.33\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.12\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.3\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"2.6.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:19:47.034Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-38596\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:19:47.034Z\", \"dateReserved\": \"2024-06-18T19:36:34.931Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-06-19T13:45:45.984Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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