vulnerability
Red Hat: CVE-2023-52448: kernel: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:M/Au:S/C:N/I:N/A:C) | Feb 22, 2024 | May 23, 2024 | Mar 27, 2026 |
Severity
4
CVSS
(AV:L/AC:M/Au:S/C:N/I:N/A:C)
Published
Feb 22, 2024
Added
May 23, 2024
Modified
Mar 27, 2026
Description
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.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.