SB2024073151 - NULL pointer dereference in Linux kernel gfs2



SB2024073151 - NULL pointer dereference in Linux kernel gfs2

Published: July 31, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024073151
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2024-42079)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the gfs2_jindex_free() function in fs/gfs2/super.c, within the lops_before_commit() function in fs/gfs2/log.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.