VULNERABILITY INTELLIGENCE
CVE-2012-5634
CVSS score6.1 MEDIUM
EPSS probability0.72%
CISA KEVNot currently listed
Published2013-02-14
Last modified2026-06-16
CVSS vectorAV:A/AC:L/Au:N/C:N/I:N/A:C
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.