SB20250422113 - Improper locking in Linux kernel ext4



SB20250422113 - Improper locking in Linux kernel ext4

Published: April 22, 2025 Updated: May 10, 2025

Security Bulletin ID SB20250422113
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) Improper locking (CVE-ID: CVE-2025-22113)

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

The vulnerability exists due to improper locking within the ext4_handle_error(), ext4_put_super() and ext4_load_and_init_journal() functions in fs/ext4/super.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.