Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 6.1.148 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
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
FAQ
What is CVE-2025-38561?
CVE-2025-38561 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 conditio...
How severe is CVE-2025-38561?
CVE-2025-38561 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-38561?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.