National Cyber Awareness System
Vulnerability Summary for CVE-2012-5634
Original release date:02/14/2013
Last revised:05/15/2013
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
6.5
CVSS Version 2 Metrics:
Access Vector: Local network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.
External Source: MLIST
Name: [oss-security] 20130109 Xen Security Advisory 33 (CVE-2012-5634) - VT-d interrupt remapping source validation flaw
External Source: DEBIAN
Name: DSA-2636
External Source: SUSE
Name: openSUSE-SU-2013:0637
External Source: SUSE
Name: openSUSE-SU-2013:0636