SB2026092492 - Missing Authorization in Linux kernel pci driver
Published: September 24, 2026
Security Bulletin ID
SB2026092492
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Authorization (CVE-ID: CVE-2026-97505)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to missing authorization in the __resource_resize_store() function when writing to a resourceN_resize sysfs attribute. A local user can resize a PCI BAR to cause a denial of service.
Remediation
Install update from vendor's website.