#VU104691 Improper locking in Linux kernel - CVE-2022-49305
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104691
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-2022-49305
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 ieee80211_beacons_stop() function in drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.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/042915c1bfedd684c1d98a841794ee203200571a
- https://git.kernel.org/stable/c/1fbe033c52480f7954c057510040fa6286c4ea25
- https://git.kernel.org/stable/c/66f769762f65d957f688f3258755c6ec410bf710
- https://git.kernel.org/stable/c/806c7b53414934ba2a39449b31fd1a038e500273
- https://git.kernel.org/stable/c/b34cb54923a6e5ddefbaf358c85c922c6ab456e2
- https://git.kernel.org/stable/c/b465bb2ebf666116c1ac745cb80c65154dc0d27e
- https://git.kernel.org/stable/c/ffc9cab7243f8151be37966301307bfd3cda2db3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.15