CVE-2023-52448

MEDIUM

Linux Kernel 4.20-5.4.268 - NULL Pointer Dereference in gfs2_rgrp_dump

Title source: llm
STIX 2.1

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.

References (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 15.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (17)
Linux/Linux < 4.20
Linux/Linux 4.20
Linux/Linux 5.10.209 - 5.10.*
Linux/Linux 5.15.148 - 5.15.*
Linux/Linux 5.4.268 - 5.4.*
Linux/Linux 6.1.75 - 6.1.*
Linux/Linux 6.6.14 - 6.6.*
Linux/Linux 6.7.2 - 6.7.*
Linux/Linux 6.8
Linux/Linux 72244b6bc752b5c496f09de9a13c18adc314a53c - 067a7c48c2c70f05f9460d6f0e8423e234729f05
... and 7 more
Published Feb 22, 2024
Tracked Since Feb 18, 2026