NULL Pointer Dereference Affecting kernel-rt-devel package, versions <0:4.18.0-553.rt7.342.el8_10


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEVEL-6271231
  • published24 Feb 2024
  • disclosed22 Feb 2024

Introduced: 22 Feb 2024

CVE-2023-52448  (opens in a new tab)
CWE-476  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-rt-devel to version 0:4.18.0-553.rt7.342.el8_10 or higher.
This issue was patched in RHSA-2024:2950.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-devel package and not the kernel-rt-devel package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1