CVE-2022-50402

drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()

Medium · published September 18, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
4.8
In the wild
Unconfirmed
What it is

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

drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()

Check the return value of md_bitmap_get_counter() in case it returns

NULL pointer, which will result in a null pointer dereference.

v2: update the check to include other dereference

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00160 · 4.8th percentile
Published
2025-09-18T16:03Z
EPSS history
Timeline
  • 18 SEP 16:03Z
    drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
    cvelistv5