SB20250227123 - Improper locking in Linux kernel realtek rtw89 driver



SB20250227123 - Improper locking in Linux kernel realtek rtw89 driver

Published: February 27, 2025 Updated: May 11, 2025

Security Bulletin ID SB20250227123
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-2024-57991)

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

The vulnerability exists due to improper locking within the rtw89_entity_recalc_mgnt_roles() function in drivers/net/wireless/realtek/rtw89/chan.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.