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Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent access.

PUBLISHED Reserved 2025-09-17 | Published 2025-09-17 | Updated 2025-09-19 | Assigner Linux

Product status

Default status
unaffected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before b36295c17fb97424406f0c3ab321b1ccaabb9be8
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before dc1c17716c099c90948ebb83e2170dd75a3be6b6
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 39366b47a59d46af15ac57beb0996268bf911f6a
affected

0626e6641f6b467447c81dd7678a69c66f7746cf (git) before 30210947a343b6b3ca13adc9bfc88e1543e16dd5
affected

Default status
affected

5.15
affected

Any version before 5.15
unaffected

5.15.145 (semver)
unaffected

6.1.28 (semver)
unaffected

6.2.15 (semver)
unaffected

6.3.2 (semver)
unaffected

6.4 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/b36295c17fb97424406f0c3ab321b1ccaabb9be8

git.kernel.org/...c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6

git.kernel.org/...c/dc1c17716c099c90948ebb83e2170dd75a3be6b6

git.kernel.org/...c/39366b47a59d46af15ac57beb0996268bf911f6a

git.kernel.org/...c/30210947a343b6b3ca13adc9bfc88e1543e16dd5

cve.org (CVE-2023-53358)

nvd.nist.gov (CVE-2023-53358)

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