CVE-2025-21944

ksmbd: fix bug on trap in smb2_lock

published April 1, 2025

CVSS
—
EPSS
0%
Percentile
4.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00153 · 4.1th percentile
Published
2025-04-01T15:41Z
EPSS history
Timeline
  • 01 APR 15:41Z
    ksmbd: fix bug on trap in smb2_lock
    cvelistv5