SB20250226122 - Memory leak in Linux kernel realtek rtw89 driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226122
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2022-49539)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ser_reset_vif() function in drivers/net/wireless/realtek/rtw89/ser.c, within the rtw89_cam_reset_key_iter(), rtw89_cam_init_addr_cam() and rtw89_cam_init_bssid_cam() functions in drivers/net/wireless/realtek/rtw89/cam.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.