CVE-2012-5634

Name: CVE-2012-5634
Creator: NVD / NIST
Published: 2013-02-14T22:55:01.903+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.72%

Last modified Jun 16, 2026

CVE-2012-5634 is a vulnerability of currently unknown severity. Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a denial of service to other guests by injecting an interrupt.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a denial of service to other guests by injecting an interrupt.

Metrics

EPSS Probability

0.72%

49.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-16

Affected Software

Vendor	Product	Versions
Xen	Xen	4.0.0
Xen	Xen	4.1.0
Xen	Xen	4.1.1
Xen	Xen	4.1.2
Xen	Xen	4.1.3
Xen	Xen	4.1.4
Xen	Xen	4.2.0
Xen	Xen	4.2.1

References

Timeline

Published: Feb 14, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-5634?

How severe is CVE-2012-5634?

Severity scoring for CVE-2012-5634 is pending analysis. The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2012-5634?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-5634?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST