CVE-2023-52448

gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump

published February 22, 2024

CVSS
—
EPSS
0%
Percentile
14.7
In the wild
Unconfirmed
What it is

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

gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump

Syzkaller has reported a NULL pointer dereference when accessing

rgd->rd_rgl in gfs2_rgrp_dump(). This can happen when creating

rgd->rd_gl fails in read_rindex_entry(). Add a NULL pointer check in

gfs2_rgrp_dump() to prevent that.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00244 · 14.7th percentile
Published
2024-02-22T16:21Z
EPSS history
Timeline
  • 22 FEB 16:21Z
    gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump
    cvelistv5