CVE-2012-5634

Severity: medium (CVSS 6.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-14 · updated 2026-06-16
Weakness: CWE-16

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.

Affected products

xen: 4.0.0, 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4 (+2)

References

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00049.html
http://secunia.com/advisories/55082
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://www.debian.org/security/2013/dsa-2636
http://www.openwall.com/lists/oss-security/2013/01/09/5
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00049.html

Get alerted when CVE-2012-5634 or the next vulnerability affects your stack