CVE-2025-21945
ksmbd: fix use-after-free in smb2_lock
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2_lock If smb_lock->zero_len has value, ->llist of smb_lock is not delete and flock is old one. It will cause use-after-free on error handling routine.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Apr 1, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
0626e6641f6b467447c81dd7678a69c66f7746cf < 410ce35a2ed6d0e114132bba29af49b69880c8c7 0626e6641f6b467447c81dd7678a69c66f7746cf < 8573571060ca466cbef2c6f03306b2cc7b883506 0626e6641f6b467447c81dd7678a69c66f7746cf < a0609097fd10d618aed4864038393dd75131289e 0626e6641f6b467447c81dd7678a69c66f7746cf < 636e021646cf9b52ddfea7c809b018e91f2188cb 0626e6641f6b467447c81dd7678a69c66f7746cf < 84d2d1641b71dec326e8736a749b7ee76a9599fc
Linux / Linux
5.15
References
git.kernel.org: https://git.kernel.org/stable/c/410ce35a2ed6d0e114132bba29af49b69880c8c7 git.kernel.org: https://git.kernel.org/stable/c/8573571060ca466cbef2c6f03306b2cc7b883506 git.kernel.org: https://git.kernel.org/stable/c/a0609097fd10d618aed4864038393dd75131289e git.kernel.org: https://git.kernel.org/stable/c/636e021646cf9b52ddfea7c809b018e91f2188cb git.kernel.org: https://git.kernel.org/stable/c/84d2d1641b71dec326e8736a749b7ee76a9599fc lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html