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CVE-2013-2212

5.7 · MEDIUM

The vmx_set_uc_mode function in Xen 3.3 through 4.3, when disabling caches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service (CPU consumption and possib…

Published Aug 28, 2013xenCWE-119EPSS 0.62%

Overview

CVE-2013-2212 is a medium-severity vulnerability affecting xen xen. It was published on August 28, 2013 and has a CVSS 2.0 base score of 5.7 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The vmx_set_uc_mode function in Xen 3.3 through 4.3, when disabling caches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service (CPU consumption and possibly hypervisor or guest kernel panic) via a crafted GFN range.

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

References

Reflists.opensuse.org/opensuse-security-announce/2014-03/msg00010.htmlReflists.opensuse.org/opensuse-security-announce/2014-03/msg00011.htmlReflists.opensuse.org/opensuse-security-announce/2014-03/msg00021.htmlRefwww.openwall.com/lists/oss-security/2013/07/24/6Refsecurity.gentoo.org/glsa/201504-04Reflists.opensuse.org/opensuse-security-announce/2014-03/msg00010.htmlReflists.opensuse.org/opensuse-security-announce/2014-03/msg00011.htmlReflists.opensuse.org/opensuse-security-announce/2014-03/msg00021.htmlRefwww.openwall.com/lists/oss-security/2013/07/24/6Refsecurity.gentoo.org/glsa/201504-04

How CyberStrike helps

Frequently asked questions

What is CVE-2013-2212?

CVE-2013-2212 is a medium-severity vulnerability affecting xen xen. It was published on August 28, 2013 and has a CVSS 2.0 base score of 5.7 (MEDIUM).

How severe is CVE-2013-2212?

This vulnerability has a CVSS 2.0 base score of 5.7, 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-2013-2212?

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-2013-2212?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-2212 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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