CVE-2025-21672 — Improper Locking in Linux
Severity
5.5MEDIUMNVD
OSV5.9
EPSS
0.0%
top 98.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 31
Latest updateJul 17
Description
In the Linux kernel, the following vulnerability has been resolved:
afs: Fix merge preference rule failure condition
syzbot reported a lock held when returning to userspace[1]. This is
because if argc is less than 0 and the function returns directly, the held
inode lock is not released.
Fix this by store the error in ret and jump to done to clean up instead of
returning directly.
[dh: Modified Lizhi Xu's original patch to make it honour the error code
from afs_split_string()]
[1]
WARNING: l…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages5 packages
▶CVEListV5linux/linuxf94f70d39cc2d54079ebae934862198516315db2 — 22be1d90a6211c88dd093b25d1f3aa974d0d9f9d+2