Cross-Domain Vulnerability in Xen Project Products
CVE-2025-58145

7.5HIGH

Key Information:

Vendor

Xen Project
Status
Xen Project
Vendor
CVE Published:
11 September 2025

What is CVE-2025-58145?

A security issue exists within the Xen Hypervisor that allows for cross-domain vulnerabilities due to inadequately handled P2M locks and incorrect assertion mappings. If the P2M lock is not held correctly until a page is referenced, it creates a risk of unauthorized access and potential ownership changes across domain boundaries. This flaw can lead to compromised security and unauthorized data exposure, necessitating immediate attention and remediation.

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Deploy the Patch

Affected Version(s)

Xen consult Xen advisory XSA-473

References

https://xenbits.xenproject.org/xsa/advisory-473.html

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered by Jan Beulich of SUSE.
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