CVE-2025-38561

ksmbd: fix Preauh_HashValue race condition

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.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/fbf5c0845ed15122a770bca9be1d9b60b470d3aa
https://git.kernel.org/stable/c/b69fd87076daa66f3d186bd421a7b0ee0cb45829
https://git.kernel.org/stable/c/edeecc7871e8fc0878d53ce286c75040a0e38f6c
https://git.kernel.org/stable/c/7d7c0c5304c88bcbd7a85e9bcd61d27e998ba5fc
https://git.kernel.org/stable/c/6613887da1d18dd2ecfd6c6148a873c4d903ebdc
https://git.kernel.org/stable/c/44a3059c4c8cc635a1fb2afd692d0730ca1ba4b6

Frequently Asked Questions

What is the severity of CVE-2025-38561?: CVE-2025-38561 has not yet been assigned a CVSS score.
How to fix CVE-2025-38561?: To fix CVE-2025-38561, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-38561 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-38561 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-38561?: CVE-2025-38561 affects Linux Linux, Linux Linux.

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