SB2025022638 - Memory leak in Linux kernel realtek rtw88 driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022638
CSH 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 vulnerability.
1) Memory leak (CVE-ID: CVE-2022-49231)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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.