CVE-2023-53861

ext4: correct grp validation in ext4_mb_good_group

published December 9, 2025

CVSS
—
EPSS
0%
Percentile
12.8
In the wild
Unconfirmed
What it is

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

ext4: correct grp validation in ext4_mb_good_group

Group corruption check will access memory of grp and will trigger kernel

crash if grp is NULL. So do NULL check before corruption check.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00228 · 12.8th percentile
Published
2025-12-09T01:30Z
EPSS history
Timeline
  • 09 DEC 01:30Z
    ext4: correct grp validation in ext4_mb_good_group
    cvelistv5