CVE-2025-38461 — Time-of-check Time-of-use (TOCTOU) Race Condition in Linux
Severity
4.7MEDIUMNVD
OSV3.2
EPSS
0.0%
top 95.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 25
Latest updateMar 25
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+0xe8/0x1…
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linuxc0cfa2d8a788fcf45df5bf4070ab2474c88d543a — 8667e8d0eb46bc54fdae30ba2f4786407d3d88eb+7
Also affects: Debian Linux 11.0