SB2026011453 - Improper locking in Linux kernel f2fs



SB2026011453 - Improper locking in Linux kernel f2fs

Published: January 14, 2026

Security Bulletin ID SB2026011453
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-2025-71065)

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

The vulnerability exists due to improper locking within the f2fs_save_errors() function in fs/f2fs/super.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.