#VU111564 Improper locking in Linux kernel - CVE-2022-49937
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111564
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-2022-49937
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 mceusb_gen1_init() function in drivers/media/rc/mceusb.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/587f793c64d99d92be8ef01c4c69d885a3f2edb6
- https://git.kernel.org/stable/c/608e58a0f4617977178131f5f68a3fce1d3f5316
- https://git.kernel.org/stable/c/75913c562f5ba4cf397d835c63f443879167c6f6
- https://git.kernel.org/stable/c/d69c738ac9310b56e84c51c8f09fc018a8291bc6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.8