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CVE-2012-5514

4.7 · MEDIUM

The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to…

Published Dec 13, 2012xenEPSS 0.41%

Overview

CVE-2012-5514 is a medium-severity vulnerability affecting xen xen. It was published on December 13, 2012 and has a CVSS 2.0 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.

Remediation

Check the references section for vendor advisories and patches from xen. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
xenxen0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2012-12/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2012-12/msg00018.htmlReflists.opensuse.org/opensuse-security-announce/2012-12/msg00019.htmlReflists.opensuse.org/opensuse-security-announce/2013-01/msg00011.htmlReflists.opensuse.org/opensuse-security-announce/2014-03/msg00021.htmlReflists.opensuse.org/opensuse-updates/2013-04/msg00051.htmlReflists.opensuse.org/opensuse-updates/2013-04/msg00052.htmlRefsecunia.com/advisories/51397Refsecunia.com/advisories/51468Refsecunia.com/advisories/51486

How CyberStrike helps

Frequently asked questions

What is CVE-2012-5514?

CVE-2012-5514 is a medium-severity vulnerability affecting xen xen. It was published on December 13, 2012 and has a CVSS 2.0 base score of 4.7 (MEDIUM).

How severe is CVE-2012-5514?

This vulnerability has a CVSS 2.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-5514?

Check the references section for vendor advisories and patches from xen. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-5514?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-5514 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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