Description
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.
Metrics
CVSS 3.1 4.7/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < fbf5c0845ed15122a770bca9be1d9b60b470d3aa; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < b69fd87076daa66f3d186bd421a7b0ee0cb45829; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < edeecc7871e8fc0878d53ce286c75040a0e38f6c; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 7d7c0c5304c88bcbd7a85e9bcd61d27e998ba5fc; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 6613887da1d18dd2ecfd6c6148a873c4d903ebdc; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 44a3059c4c8cc635a1fb2afd692d0730ca1ba4b6 |
| Linux | Linux | 5.15 |
References
- https://git.kernel.org/stable/c/44a3059c4c8cc635a1fb2afd692d0730ca1ba4b6Patch
- https://git.kernel.org/stable/c/6613887da1d18dd2ecfd6c6148a873c4d903ebdcPatch
- https://git.kernel.org/stable/c/7d7c0c5304c88bcbd7a85e9bcd61d27e998ba5fcPatch
- https://git.kernel.org/stable/c/b69fd87076daa66f3d186bd421a7b0ee0cb45829Patch
- https://git.kernel.org/stable/c/edeecc7871e8fc0878d53ce286c75040a0e38f6cPatch
- https://git.kernel.org/stable/c/fbf5c0845ed15122a770bca9be1d9b60b470d3aaPatch
- https://www.zerodayinitiative.com/advisories/ZDI-25-916/Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory
Timeline
- Published
- Aug 19, 2025
- Last modified
- Jul 30, 2026
- NVD status
- Modified