CVE-2025-22040

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.

Reserved 2024-12-29 | Published 2025-04-16 | Updated 2025-05-26 | Assigner Linux

Product status

Default status
unaffected

0626e6641f6b467447c81dd7678a69c66f7746cf before 596407adb9af1ee75fe7c7529607783d31b66e7f
affected

0626e6641f6b467447c81dd7678a69c66f7746cf before 3980770cb1470054e6400fd97668665975726737
affected

0626e6641f6b467447c81dd7678a69c66f7746cf before 9069939d762138e232a6f79e3e1462682ed6a17d
affected

0626e6641f6b467447c81dd7678a69c66f7746cf before 94c281721d4ed2d972232414b91d98a6f5bdb16b
affected

0626e6641f6b467447c81dd7678a69c66f7746cf before 7dfbd4c43eed91dd2548a95236908025707a8dfd
affected

0626e6641f6b467447c81dd7678a69c66f7746cf before fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db
affected

Default status
affected

5.15
affected

Any version before 5.15
unaffected

6.1.134
unaffected

6.6.87
unaffected

6.12.23
unaffected

6.13.11
unaffected

6.14.2
unaffected

6.15
unaffected

References

git.kernel.org/...c/596407adb9af1ee75fe7c7529607783d31b66e7f

git.kernel.org/...c/3980770cb1470054e6400fd97668665975726737

git.kernel.org/...c/9069939d762138e232a6f79e3e1462682ed6a17d

git.kernel.org/...c/94c281721d4ed2d972232414b91d98a6f5bdb16b

git.kernel.org/...c/7dfbd4c43eed91dd2548a95236908025707a8dfd

git.kernel.org/...c/fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db

cve.org (CVE-2025-22040)

nvd.nist.gov (CVE-2025-22040)

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