CVE-2025-21967

ksmbd: fix use-after-free in ksmbd_free_work_struct

High · published April 1, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
30.6
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix use-after-free in ksmbd_free_work_struct

->interim_entry of ksmbd_work could be deleted after oplock is freed.

We don't need to manage it with linked list. The interim request could be

immediately sent whenever a oplock break wait is needed.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00378 · 30.6th percentile
Published
2025-04-01T15:47Z
EPSS history
Timeline
  • 01 APR 15:47Z
    ksmbd: fix use-after-free in ksmbd_free_work_struct
    cvelistv5