CVE-2025-22040
ksmbd: fix session use-after-free in multichannel connection
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Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/3980770cb1470054e6400fd97668665975726737
- https://git.kernel.org/stable/c/596407adb9af1ee75fe7c7529607783d31b66e7f
- https://git.kernel.org/stable/c/7dfbd4c43eed91dd2548a95236908025707a8dfd
- https://git.kernel.org/stable/c/9069939d762138e232a6f79e3e1462682ed6a17d
- https://git.kernel.org/stable/c/94c281721d4ed2d972232414b91d98a6f5bdb16b
References (7)
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