CVE-2025-38561
ksmbd: fix Preauh_HashValue race condition
CVSS Score
8.5
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Preauh_HashValue race condition If client send multiple session setup requests to ksmbd, Preauh_HashValue race condition could happen. There is no need to free sess->Preauh_HashValue at session setup phase. It can be freed together with session at connection termination phase.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 19, 2025 |
| Last Updated | Feb 26, 2026 |
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Affected Versions
Linux / Linux
0626e6641f6b467447c81dd7678a69c66f7746cf < fbf5c0845ed15122a770bca9be1d9b60b470d3aa 0626e6641f6b467447c81dd7678a69c66f7746cf < b69fd87076daa66f3d186bd421a7b0ee0cb45829 0626e6641f6b467447c81dd7678a69c66f7746cf < edeecc7871e8fc0878d53ce286c75040a0e38f6c 0626e6641f6b467447c81dd7678a69c66f7746cf < 7d7c0c5304c88bcbd7a85e9bcd61d27e998ba5fc 0626e6641f6b467447c81dd7678a69c66f7746cf < 6613887da1d18dd2ecfd6c6148a873c4d903ebdc 0626e6641f6b467447c81dd7678a69c66f7746cf < 44a3059c4c8cc635a1fb2afd692d0730ca1ba4b6
Linux / Linux
5.15
References
git.kernel.org: https://git.kernel.org/stable/c/fbf5c0845ed15122a770bca9be1d9b60b470d3aa git.kernel.org: https://git.kernel.org/stable/c/b69fd87076daa66f3d186bd421a7b0ee0cb45829 git.kernel.org: https://git.kernel.org/stable/c/edeecc7871e8fc0878d53ce286c75040a0e38f6c git.kernel.org: https://git.kernel.org/stable/c/7d7c0c5304c88bcbd7a85e9bcd61d27e998ba5fc git.kernel.org: https://git.kernel.org/stable/c/6613887da1d18dd2ecfd6c6148a873c4d903ebdc git.kernel.org: https://git.kernel.org/stable/c/44a3059c4c8cc635a1fb2afd692d0730ca1ba4b6 zerodayinitiative.com: https://www.zerodayinitiative.com/advisories/ZDI-25-916/ lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html