SB2024061341 - Improper locking in Linux kernel f2fs



SB2024061341 - Improper locking in Linux kernel f2fs

Published: June 13, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024061341
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-2024-26869)

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

The vulnerability exists due to improper locking within the f2fs_inplace_write_data() and f2fs_wait_on_block_writeback_range() functions in fs/f2fs/segment.c, within the do_checkpoint() function in fs/f2fs/checkpoint.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.