#VU111569 Improper locking in Linux kernel - CVE-2022-50177
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111569
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-2022-50177
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 rcutorture_booster_init() and rcu_torture_init() functions in kernel/rcu/rcutorture.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/3002153a91a9732a6d1d0bb95138593c7da15743
- https://git.kernel.org/stable/c/621595f771a6bd458ffbc40679e222ba5d0a7a1e
- https://git.kernel.org/stable/c/7e7472c62c6ded322afd9d5ac8bb20a08e7c5674
- https://git.kernel.org/stable/c/8e84693621f53bf894af9905a6531e0530402145
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18