SB20251112137 - Resource management error in Linux kernel xen events driver
Published: November 12, 2025
Security Bulletin ID
SB20251112137
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-2025-40160)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the bind_interdomain_evtchn_to_irq_lateeoi(), find_virq() and bind_virq_to_irq() functions in drivers/xen/events/events_base.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.