SB2025070176 - Incorrect stubs exception handling for flags recovery in Xen
Published: July 1, 2025
Security Bulletin ID
SB2025070176
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper error handling (CVE-ID: CVE-2025-27465)
The vulnerability allows a local guest to crash the hypervisor.
The vulnerability exists die to incorrect stubs exception handling for flags recovery. A malicious guest can force the hypervisor to crash.
Remediation
Install update from vendor's website.