SB20260912409 - Improper initialization in Linux kernel pci pcxhr
Published: September 12, 2026
Security Bulletin ID
SB20260912409
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 initialization (CVE-ID: CVE-2026-80967)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper initialization of mutexes in the pcxhr_probe() function when handling an early interrupt during device probe. A local user can trigger an early interrupt during device probe to cause a denial of service.
Remediation
Install update from vendor's website.