#VU119758 Improper locking in Linux kernel - CVE-2022-50636
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119758
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-2022-50636
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 pci_device_is_present() function in drivers/pci/pci.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/518573988a2f14f517403db2ece5ddaefba21e94
- https://git.kernel.org/stable/c/643d77fda08d06f863af35e80a7e517ea61d9629
- https://git.kernel.org/stable/c/65bd0962992abd42e77a05e68c7b40e7c73726d1
- https://git.kernel.org/stable/c/67fd41bbb0f51aa648a47f728b99e6f1fa2ccc34
- https://git.kernel.org/stable/c/81565e51ccaf6fff8910e997ee22e16b5e1dabc3
- https://git.kernel.org/stable/c/98b04dd0b4577894520493d96bc4623387767445
- https://git.kernel.org/stable/c/99ef6cc791584495987dd11b14769b450dfa5820
- https://git.kernel.org/stable/c/f4b44c7766dae2b8681f621941cabe9f14066d59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303