SB2026020548 - Resource management error in Linux kernel irqchip driver
Published: February 5, 2026
Security Bulletin ID
SB2026020548
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) Resource management error (CVE-ID: CVE-2026-23085)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the its_build_mapd_cmd(), its_build_vmapp_cmd() and its_setup_baser() functions in drivers/irqchip/irq-gic-v3-its.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.