Back to Database
Status published
Unknown
CVE-2025-21944
ksmbd: fix bug on trap in smb2_lock
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-21944
Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/11e0e74e14f1832a95092f2c98ed3b99f57797ee
- https://git.kernel.org/stable/c/8994f0ce8259f812b4f4a681d8298c6ff682efaa
- https://git.kernel.org/stable/c/dbcd7fdd86f77529210fe8978154a81cd479844c
- https://git.kernel.org/stable/c/2b70e3ac79eacbdf32571f7af48dd81cdd957ca8
- https://git.kernel.org/stable/c/e26e2d2e15daf1ab33e0135caf2304a0cfa2744b
More from Linux
View All →CVE-2025-71315
drm/vkms: Convert to DRM's vblank timer
Unknown
0
CVE-2025-71314
drm/panthor: Recover from panthor_gpu_flush_caches() failures
Unknown
0
CVE-2025-71313
PCI: endpoint: Add missing NULL check for alloc_workqueue()
Unknown
0
CVE-2025-71312
fs/ntfs3: fix ntfs_mount_options leak in ntfs_fill_super()
Unknown
0
CVE-2025-71311
fs/ntfs3: Initialize new folios before use
Unknown
0
Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
0626e6641f6b467447c81dd7678a69c66f7746cf, 5.15, 0, 6.1.131, 6.6.83, 6.12.19, 6.13.7, 6.14
Timeline
Official Publish:
April 1st, 2025
Last Modified:
May 11th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.