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Description

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible refcount leak in smb2_sess_setup() Reference count of ksmbd_session will leak when session need reconnect. Fix this by adding the missing ksmbd_user_session_put().

PUBLISHED Reserved 2025-04-16 | Published 2025-12-06 | Updated 2025-12-06 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 6fc935f798d44a8eb8a5e6659198399fbf57b981
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before e671f9bb97805771380c98de944e2ceab6949188
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before dcc51dfe6ff26b52cac106865a172ac982d78401
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before d37b2c81c83d6c0d5ca582f4fe73c672983f9e0d
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 379510a815cb2e64eb0a379cb62295d6ade65df0
affected

Default status
affected

6.1.159 (semver)
unaffected

6.6.117 (semver)
unaffected

6.12.59 (semver)
unaffected

6.17.9 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/6fc935f798d44a8eb8a5e6659198399fbf57b981

git.kernel.org/...c/e671f9bb97805771380c98de944e2ceab6949188

git.kernel.org/...c/dcc51dfe6ff26b52cac106865a172ac982d78401

git.kernel.org/...c/d37b2c81c83d6c0d5ca582f4fe73c672983f9e0d

git.kernel.org/...c/379510a815cb2e64eb0a379cb62295d6ade65df0

cve.org (CVE-2025-40285)

nvd.nist.gov (CVE-2025-40285)