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.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-08-19 17:15

Updated : 2026-01-07 20:41

NVD link : CVE-2025-38561

Mitre link : CVE-2025-38561

CVE.ORG link : CVE-2025-38561

JSON object : View

Products Affected

debian

debian_linux

linux

linux_kernel

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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