SB2025010727 - NULL pointer dereference in Linux kernel btrfs



SB2025010727 - NULL pointer dereference in Linux kernel btrfs

Published: January 7, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025010727
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-2024-56758)

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

The vulnerability exists due to NULL pointer dereference within the relocate_one_folio() function in fs/btrfs/relocation.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.