CVE-2024-36484
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2024-36484
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-36484.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2024-36484
- Downstream
- Related
- Published
- 2024-06-21T10:18:09Z
- Modified
- 2025-10-09T11:43:29.185286Z
- Summary
- net: relax socket state check at accept time.
- Details
-
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/afinet.c:761 inetaccept+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:inetaccept+0x1f4/0x4a0 net/ipv4/afinet.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> inetaccept+0x138/0x1d0 net/ipv4/afinet.c:786 doaccept+0x435/0x620 net/socket.c:1929 _sysaccept4file net/socket.c:1969 [inline] _sysaccept4+0x9b/0x110 net/socket.c:1999 _dosysaccept net/socket.c:2016 [inline] _sesysaccept net/socket.c:2013 [inline] _x64sysaccept+0x7d/0x90 net/socket.c:2013 dosyscallx64 arch/x86/entry/common.c:52 [inline] dosyscall64+0x58/0x100 arch/x86/entry/common.c:83 entrySYSCALL64afterhwframe+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 ORIGRAX: 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(SENDSHUTDOWN) for TCPSYNRECV sockets"), the above causes the child to reach the accept syscall in FINWAIT1 status.
Eric noted we can relax the existing assertion in _inetaccept()
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/21c14c556cccd0cb54b71ec5e901e64ba84c7165
- https://git.kernel.org/stable/c/26afda78cda3da974fd4c287962c169e9462c495
- https://git.kernel.org/stable/c/59801e88c99f7c3f44a4d20af6ba6417aa359b5d
- https://git.kernel.org/stable/c/5f9a04a94fd1894d7009055ab8e5832a0242dba3
- https://git.kernel.org/stable/c/6e03006548c66b979f4e5e9fc797aac4dad82822
- https://git.kernel.org/stable/c/7de00adc9bd035d861ba4177848ca0bfa5ed1e04
- https://git.kernel.org/stable/c/87bdc9f6f58b4417362d6932b49b828e319f97dc
- https://git.kernel.org/stable/c/c09ddc605893df542c6cf8dde6a57a93f7cf0adb
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced34e41a031fd7523bf1cd00a2adca2370aebea270Fixed7de00adc9bd035d861ba4177848ca0bfa5ed1e04
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceded5e279b69e007ce6c0fe82a5a534c1b19783214Fixed59801e88c99f7c3f44a4d20af6ba6417aa359b5d
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced413c33b9f3bc36fdf719690a78824db9f88a9485Fixed6e03006548c66b979f4e5e9fc797aac4dad82822
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced2552c9d9440f8e7a2ed0660911ff00f25b90a0a4Fixed21c14c556cccd0cb54b71ec5e901e64ba84c7165
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced3fe4ef0568a48369b1891395d13ac593b1ba41b1Fixedc09ddc605893df542c6cf8dde6a57a93f7cf0adb
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedf47d0d32fa94e815fdd78b8b88684873e67939f4Fixed87bdc9f6f58b4417362d6932b49b828e319f97dc
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced94062790aedb505bdda209b10bea47b294d6394fFixed5f9a04a94fd1894d7009055ab8e5832a0242dba3
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced94062790aedb505bdda209b10bea47b294d6394fFixed26afda78cda3da974fd4c287962c169e9462c495
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedcbf232ba11bc86a5281b4f00e1151349ef4d45cf
Affected versions
v4.*
v5.*
v6.*
Linux / Kernel
Package
- Name
- Kernel
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed4.19.319
- Type
- ECOSYSTEM
- Events
-
Introduced4.20.0Fixed5.4.281
- Type
- ECOSYSTEM
- Events
-
Introduced5.5.0Fixed5.10.223
- Type
- ECOSYSTEM
- Events
-
Introduced5.11.0Fixed5.15.164
- Type
- ECOSYSTEM
- Events
-
Introduced5.16.0Fixed6.1.93
- Type
- ECOSYSTEM
- Events
-
Introduced6.2.0Fixed6.6.33
- Type
- ECOSYSTEM
- Events
-
Introduced6.7.0Fixed6.9.4