#VU104307 Memory leak in Linux kernel - CVE-2022-49539
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104307
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49539
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.