Unrated severityNVD Advisory· Published Apr 1, 2025· Updated Nov 3, 2025
ksmbd: fix bug on trap in smb2_lock
CVE-2025-21944
Description
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix bug on trap in smb2_lock
If lock count is greater than 1, flags could be old value. It should be checked with flags of smb_lock, not flags. It will cause bug-on trap from locks_free_lock in error handling routine.
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Affected products
2Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/11e0e74e14f1832a95092f2c98ed3b99f57797eemitre
- git.kernel.org/stable/c/2b70e3ac79eacbdf32571f7af48dd81cdd957ca8mitre
- git.kernel.org/stable/c/8994f0ce8259f812b4f4a681d8298c6ff682efaamitre
- git.kernel.org/stable/c/dbcd7fdd86f77529210fe8978154a81cd479844cmitre
- git.kernel.org/stable/c/e26e2d2e15daf1ab33e0135caf2304a0cfa2744bmitre
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