#VU94449 Improper locking in Linux kernel - CVE-2022-48784
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94449
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-2022-48784
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 cfg80211_event_work() function in net/wireless/core.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/241e633cb379c4f332fc1baf2abec95ec840cbeb
- https://git.kernel.org/stable/c/c979f792a2baf6d0f3419587668a1a6eba46a3d2
- https://git.kernel.org/stable/c/f0a6fd1527067da537e9c48390237488719948ed
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17