#VU104699 Improper locking in Linux kernel - CVE-2022-49309
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104699
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-2022-49309
CWE-ID: CWE-667
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 improper locking within the rtw_surveydone_event_callback() and rtw_scan_timeout_handler() functions in drivers/staging/rtl8723bs/core/rtw_mlme.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/2c41f5c341853f84b7bc2f32605d4e2782e8c279
- https://git.kernel.org/stable/c/cc7ad0d77b51c872d629bcd98aea463a3c4109e7
- https://git.kernel.org/stable/c/ce129d3efd181da5fd56f4360cc8827122afa67e
- https://git.kernel.org/stable/c/f89f6c3ebf69623b8ea48200bd690e9e210335a1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47