#VU111578 Improper locking in Linux kernel - CVE-2022-50100
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111578
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-2022-50100
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 cpus_share_cache() and ttwu_queue_cond() functions in kernel/sched/core.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/302f7b0fc337746f41c69eb08522907f6a90c643
- https://git.kernel.org/stable/c/748d2e9585ae53cb6be48e84f93d2f082ae1d135
- https://git.kernel.org/stable/c/751d4cbc43879229dbc124afefe240b70fd29a85
- https://git.kernel.org/stable/c/fde45283f4c8a91c367ea5f20f87036468755121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18