SB2025022638 - Memory leak in Linux kernel realtek rtw88 driver



SB2025022638 - Memory leak in Linux kernel realtek rtw88 driver

Published: February 26, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025022638
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) Memory leak (CVE-ID: CVE-2022-49231)

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

The vulnerability exists due to memory leak within the rtw_fw_scan_notify(), rtw_append_probe_req_ie(), _rtw_hw_scan_update_probe_req() and rtw_hw_scan_update_probe_req() functions in drivers/net/wireless/realtek/rtw88/fw.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.