SB2026050993 - Improper control of a resource through its lifetime in Linux kernel usb uvc driver
Published: May 9, 2026
Security Bulletin ID
SB2026050993
CSH 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 vulnerability.
1) Improper control of a resource through its lifetime (CVE-ID: CVE-2026-43290)
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper state management in the uvcvideo streaming start path when starting video streaming. A local user can repeatedly trigger streaming start failures to cause a denial of service.
The issue occurs when streaming fails to start due to a uvc_pm_get() error.
Remediation
Install update from vendor's website.