CVE-2025-22040

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix session use-after-free in multichannel connection There is a race condition between session setup and ksmbd_sessions_deregister. The session can be freed before the connection is added to channel list of session. This patch check reference count of session before freeing it.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/3980770cb1470054e6400fd97668665975726737	Patch
https://git.kernel.org/stable/c/596407adb9af1ee75fe7c7529607783d31b66e7f	Patch
https://git.kernel.org/stable/c/7dfbd4c43eed91dd2548a95236908025707a8dfd	Patch
https://git.kernel.org/stable/c/9069939d762138e232a6f79e3e1462682ed6a17d	Patch
https://git.kernel.org/stable/c/94c281721d4ed2d972232414b91d98a6f5bdb16b	Patch
https://git.kernel.org/stable/c/fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db	Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

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::::::::

History

No history.

Information

Published : 2025-04-16 15:15

Updated : 2025-11-03 20:17

NVD link : CVE-2025-22040

Mitre link : CVE-2025-22040

CVE.ORG link : CVE-2025-22040

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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