CVE ID:	CVE-2013-6400
Description:	Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2013-6400 1029468 http://www.securitytracker.com/id/1029468 55932 http://secunia.com/advisories/55932 FEDORA-2013-23457 http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125111.html FEDORA-2013-23466 http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125081.html GLSA-201407-03 http://security.gentoo.org/glsa/glsa-201407-03.xml SUSE-SU-2014:0373 http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html [Xen-announce] 20131210 Xen Security Advisory 80 (CVE-2013-6400) - IOMMU TLB flushing may be inadvertently suppressed http://lists.xen.org/archives/html/xen-announce/2013-12/msg00002.html [oss-security] 20131210 Xen Security Advisory 80 (CVE-2013-6400) - IOMMU TLB flushing may be inadvertently suppressed http://www.openwall.com/lists/oss-security/2013/12/10/7