SB2025121735 - SUSE update for xen 



SB2025121735 - SUSE update for xen

Published: December 17, 2025

Security Bulletin ID SB2025121735
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2025-58149)

The vulnerability allows a malicious guest to access sensitive information. 

The vulnerability exists due to PCI detach logic in libxl that does not remove access permissions to any 64bit memory BARs the device might have. A malicious guest can access any 64bit memory BAR when such device is no longer assigned to the domain.


Remediation

Install update from vendor's website.