Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2_SESSION_VALID, It indicates that no valid session was found, but it is missing to decrement the reference count acquired by the session lookup, which results in a reference count leak. This patch fixes the issue by explicitly calling ksmbd_user_session_put to release the reference to the session.
Product status
37a0e2b362b3150317fb6e2139de67b1e29ae5ff (git) before 0fb87b28cafae71e9c8248432cc3a6a1fd759efc
450a844c045ff0895d41b05a1cbe8febd1acfcfd (git) before e54fb2a4772545701766cba08aab20de5eace8cd
a39e31e22a535d47b14656a7d6a893c7f6cf758c (git) before 02e06785e85b4bd86ef3d23b7c8d87acc76773d5
b95629435b84b9ecc0c765995204a4d8a913ed52 (git) before 8cabcb4dd3dc85dd83a37d26efcc59a66a4074d7
b95629435b84b9ecc0c765995204a4d8a913ed52 (git) before cafb57f7bdd57abba87725eb4e82bbdca4959644
2107ab40629aeabbec369cf34b8cf0f288c3eb1b (git)
6.13
Any version before 6.13
6.1.160 (semver)
6.6.120 (semver)
6.12.64 (semver)
6.18.3 (semver)
6.19 (original_commit_for_fix)
References
git.kernel.org/...c/0fb87b28cafae71e9c8248432cc3a6a1fd759efc
git.kernel.org/...c/e54fb2a4772545701766cba08aab20de5eace8cd
git.kernel.org/...c/02e06785e85b4bd86ef3d23b7c8d87acc76773d5
git.kernel.org/...c/8cabcb4dd3dc85dd83a37d26efcc59a66a4074d7
git.kernel.org/...c/cafb57f7bdd57abba87725eb4e82bbdca4959644