SB20251208110 - Improper error handling in Linux kernel misc driver
Published: December 8, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251208110
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 error handling (CVE-ID: CVE-2022-50614)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the pci_endpoint_test_msi_irq() function in drivers/misc/pci_endpoint_test.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/0df206bdc6204b758585bbe159a55e23e7917b13
- https://git.kernel.org/stable/c/279116cb0bc5cd8af65d6a00ffe074bd09842f88
- https://git.kernel.org/stable/c/6c01739c2aba19553beb20491b05515af9246f0f
- https://git.kernel.org/stable/c/8e30538eca016de8e252bef174beadecd64239f0
- https://git.kernel.org/stable/c/e5ebcbb4f967af2083d409271aaf7c7d8351603f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.74