SB2025011798 - Improper locking in Linux kernel netfilter



SB2025011798 - Improper locking in Linux kernel netfilter

Published: January 17, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025011798
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-2024-54683)

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

The vulnerability exists due to improper locking within the idletimer_tg_destroy() and idletimer_tg_destroy_v1() functions in net/netfilter/xt_IDLETIMER.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.