CVE-2025-21944

high

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.

References

https://git.kernel.org/stable/c/e26e2d2e15daf1ab33e0135caf2304a0cfa2744b

https://git.kernel.org/stable/c/dbcd7fdd86f77529210fe8978154a81cd479844c

https://git.kernel.org/stable/c/8994f0ce8259f812b4f4a681d8298c6ff682efaa

https://git.kernel.org/stable/c/2b70e3ac79eacbdf32571f7af48dd81cdd957ca8

https://git.kernel.org/stable/c/11e0e74e14f1832a95092f2c98ed3b99f57797ee

Details

Source: Mitre, NVD

Published: 2025-04-01

Updated: 2025-04-01

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.4

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High