CVE-2024-36484 (GCVE-0-2024-36484)

Vulnerability from cvelistv5 – Published: 2024-06-21 10:18 – Updated: 2025-05-04 12:56
VLAI?
Title
net: relax socket state check at accept time.
Summary
In the Linux kernel, the following vulnerability has been resolved: net: relax socket state check at accept time. Christoph reported the following splat: WARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0 Modules linked in: CPU: 1 PID: 772 Comm: syz-executor510 Not tainted 6.9.0-rc7-g7da7119fe22b #56 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014 RIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759 Code: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd <0f> 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80 RSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293 RAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64 R10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000 R13: 1ffff92000185f98 R14: ffff88810754d880 R15: ffff8881007b7800 FS: 000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: <TASK> inet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786 do_accept+0x435/0x620 net/socket.c:1929 __sys_accept4_file net/socket.c:1969 [inline] __sys_accept4+0x9b/0x110 net/socket.c:1999 __do_sys_accept net/socket.c:2016 [inline] __se_sys_accept net/socket.c:2013 [inline] __x64_sys_accept+0x7d/0x90 net/socket.c:2013 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0x100 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x4315f9 Code: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 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 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b RAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300 R10: 0000000000400300 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055 </TASK> The reproducer invokes shutdown() before entering the listener status. After commit 94062790aedb ("tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets"), the above causes the child to reach the accept syscall in FIN_WAIT1 status. Eric noted we can relax the existing assertion in __inet_accept()
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 34e41a031fd7523bf1cd00a2adca2370aebea270 , < 7de00adc9bd035d861ba4177848ca0bfa5ed1e04 (git)
Affected: ed5e279b69e007ce6c0fe82a5a534c1b19783214 , < 59801e88c99f7c3f44a4d20af6ba6417aa359b5d (git)
Affected: 413c33b9f3bc36fdf719690a78824db9f88a9485 , < 6e03006548c66b979f4e5e9fc797aac4dad82822 (git)
Affected: 2552c9d9440f8e7a2ed0660911ff00f25b90a0a4 , < 21c14c556cccd0cb54b71ec5e901e64ba84c7165 (git)
Affected: 3fe4ef0568a48369b1891395d13ac593b1ba41b1 , < c09ddc605893df542c6cf8dde6a57a93f7cf0adb (git)
Affected: f47d0d32fa94e815fdd78b8b88684873e67939f4 , < 87bdc9f6f58b4417362d6932b49b828e319f97dc (git)
Affected: 94062790aedb505bdda209b10bea47b294d6394f , < 5f9a04a94fd1894d7009055ab8e5832a0242dba3 (git)
Affected: 94062790aedb505bdda209b10bea47b294d6394f , < 26afda78cda3da974fd4c287962c169e9462c495 (git)
Affected: cbf232ba11bc86a5281b4f00e1151349ef4d45cf (git)
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    Linux Linux Affected: 6.9
Unaffected: 0 , < 6.9 (semver)
Unaffected: 4.19.319 , ≤ 4.19.* (semver)
Unaffected: 5.4.281 , ≤ 5.4.* (semver)
Unaffected: 5.10.223 , ≤ 5.10.* (semver)
Unaffected: 5.15.164 , ≤ 5.15.* (semver)
Unaffected: 6.1.93 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.9.4 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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\"unaffected\", \"version\": \"0\", \"lessThan\": \"6.9\", \"versionType\": \"custom\"}, {\"status\": \"unaffected\", \"version\": \"4.19.319\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.281\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.223\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.164\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.93\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.33\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.4\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/ipv4/af_inet.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/7de00adc9bd035d861ba4177848ca0bfa5ed1e04\"}, {\"url\": \"https://git.kernel.org/stable/c/59801e88c99f7c3f44a4d20af6ba6417aa359b5d\"}, {\"url\": \"https://git.kernel.org/stable/c/6e03006548c66b979f4e5e9fc797aac4dad82822\"}, {\"url\": \"https://git.kernel.org/stable/c/21c14c556cccd0cb54b71ec5e901e64ba84c7165\"}, {\"url\": \"https://git.kernel.org/stable/c/c09ddc605893df542c6cf8dde6a57a93f7cf0adb\"}, {\"url\": \"https://git.kernel.org/stable/c/87bdc9f6f58b4417362d6932b49b828e319f97dc\"}, {\"url\": \"https://git.kernel.org/stable/c/5f9a04a94fd1894d7009055ab8e5832a0242dba3\"}, {\"url\": \"https://git.kernel.org/stable/c/26afda78cda3da974fd4c287962c169e9462c495\"}], \"x_generator\": {\"engine\": \"bippy-c9c4e1df01b2\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: relax socket state check at accept time.\\n\\nChristoph reported the following splat:\\n\\nWARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0\\nModules linked in:\\nCPU: 1 PID: 772 Comm: syz-executor510 Not tainted 6.9.0-rc7-g7da7119fe22b #56\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014\\nRIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759\\nCode: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd \u003c0f\u003e 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80\\nRSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293\\nRAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\\nRBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64\\nR10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000\\nR13: 1ffff92000185f98 R14: ffff88810754d880 R15: ffff8881007b7800\\nFS:  000000001c772880(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 00007fb9fcf2e178 CR3: 00000001045d2002 CR4: 0000000000770ef0\\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\nPKRU: 55555554\\nCall Trace:\\n \u003cTASK\u003e\\n inet_accept+0x138/0x1d0 net/ipv4/af_inet.c:786\\n do_accept+0x435/0x620 net/socket.c:1929\\n __sys_accept4_file net/socket.c:1969 [inline]\\n __sys_accept4+0x9b/0x110 net/socket.c:1999\\n __do_sys_accept net/socket.c:2016 [inline]\\n __se_sys_accept net/socket.c:2013 [inline]\\n __x64_sys_accept+0x7d/0x90 net/socket.c:2013\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0x58/0x100 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\\nRIP: 0033:0x4315f9\\nCode: fd ff 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 00 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 0f 83 ab b4 fd ff c3 66 2e 0f 1f 84 00 00 00 00\\nRSP: 002b:00007ffdb26d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b\\nRAX: ffffffffffffffda RBX: 0000000000400300 RCX: 00000000004315f9\\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004\\nRBP: 00000000006e1018 R08: 0000000000400300 R09: 0000000000400300\\nR10: 0000000000400300 R11: 0000000000000246 R12: 0000000000000000\\nR13: 000000000040cdf0 R14: 000000000040ce80 R15: 0000000000000055\\n \u003c/TASK\u003e\\n\\nThe reproducer invokes shutdown() before entering the listener status.\\nAfter commit 94062790aedb (\\\"tcp: defer shutdown(SEND_SHUTDOWN) for\\nTCP_SYN_RECV sockets\\\"), the above causes the child to reach the accept\\nsyscall in FIN_WAIT1 status.\\n\\nEric noted we can relax the existing assertion in __inet_accept()\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-07-29T06:28:27.788Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-36484\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-07-29T06:28:27.788Z\", \"dateReserved\": \"2024-06-21T10:12:11.494Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-06-21T10:18:09.672Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.