SB20251210129 - Improper locking in Linux kernel pci driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210129
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2022-50636)
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 website.
References
- 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