CVE-2025-38561

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2025-08-19

Last modified

2026-08-05

Weaknesses

CWE-362

Affected products

• Debian Linux (Debian)
• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/44a3059c4c8cc635a1fb2afd692d0730ca1ba4b6
• https://git.kernel.org/stable/c/6613887da1d18dd2ecfd6c6148a873c4d903ebdc
• https://git.kernel.org/stable/c/7d7c0c5304c88bcbd7a85e9bcd61d27e998ba5fc
• https://git.kernel.org/stable/c/b69fd87076daa66f3d186bd421a7b0ee0cb45829
• https://git.kernel.org/stable/c/edeecc7871e8fc0878d53ce286c75040a0e38f6c
• https://git.kernel.org/stable/c/fbf5c0845ed15122a770bca9be1d9b60b470d3aa
• https://www.zerodayinitiative.com/advisories/ZDI-25-916/
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html