CVEvulnerability
CVE-2025-38461
4.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-07-25
- Last modified
- 2026-07-30
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-367
Description
In the Linux kernel, the following vulnerability has been resolved:
vsock: Fix transport_* TOCTOU
Transport assignment may race with module unload. Protect new_transport
from becoming a stale pointer.
This also takes care of an insecure call in vsock_use_local_transport();
add a lockdep assert.
BUG: unable to handle page fault for address: fffffbfff8056000
Oops: Oops: 0000 [#1] SMP KASAN
RIP: 0010:vsock_assign_transport+0x366/0x600
Call Trace:
vsock_connect+0x59c/0xc40
__sys_connect+0xe8/0x100
__x64_sys_connect+0x6e/0xc0
do_syscall_64+0x92/0x1c0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Affected configurations
• linux linux kernel (>= 5.5 < 5.10.240)
• linux linux kernel (>= 5.11 < 5.15.189)
• linux linux kernel (>= 5.16 < 6.1.146)
• linux linux kernel (>= 6.2 < 6.6.99)
• linux linux kernel (>= 6.7 < 6.12.39)
• linux linux kernel (>= 6.13 < 6.15.7)
• linux linux kernel 6.16
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness
References
- https://git.kernel.org/stable/c/36a439049b34cca0b3661276049b84a1f76cc21a Patch
- https://git.kernel.org/stable/c/687aa0c5581b8d4aa87fd92973e4ee576b550cdf Patch
- https://git.kernel.org/stable/c/7b73bddf54777fb62d4d8c7729d0affe6df04477 Patch
- https://git.kernel.org/stable/c/8667e8d0eb46bc54fdae30ba2f4786407d3d88eb Patch
- https://git.kernel.org/stable/c/9ce53e744f18e73059d3124070e960f3aa9902bf Patch
- https://git.kernel.org/stable/c/9d24bb6780282b0255b9929abe5e8f98007e2c6e Patch
- https://git.kernel.org/stable/c/ae2c712ba39c7007de63cb0c75b51ce1caaf1da5 Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory