Critical severity9.8NVD Advisory· Published Aug 19, 2025· Updated Jul 30, 2026

CVE-2025-38561

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Debian/linux
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Linux/Kernel3 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.15,<6.1.148
- (no CPE)
- (no CPE)range: 5.15
osv-coords
pkg:linux/kernel
Range: >= 5.15.0, < 6.1.148

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/44a3059c4c8cc635a1fb2afd692d0730ca1ba4b6nvdPatch
git.kernel.org/stable/c/6613887da1d18dd2ecfd6c6148a873c4d903ebdcnvdPatch
git.kernel.org/stable/c/7d7c0c5304c88bcbd7a85e9bcd61d27e998ba5fcnvdPatch
git.kernel.org/stable/c/b69fd87076daa66f3d186bd421a7b0ee0cb45829nvdPatch
git.kernel.org/stable/c/edeecc7871e8fc0878d53ce286c75040a0e38f6cnvdPatch
git.kernel.org/stable/c/fbf5c0845ed15122a770bca9be1d9b60b470d3aanvdPatch
lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlnvdThird Party Advisory
www.zerodayinitiative.com/advisories/ZDI-25-916/nvdThird Party Advisory

News mentions

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exploit	0.000
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