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.

References

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125081.html

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125111.html

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html

http://lists.xen.org/archives/html/xen-announce/2013-12/msg00002.html

http://secunia.com/advisories/55932

http://security.gentoo.org/glsa/glsa-201407-03.xml

http://www.openwall.com/lists/oss-security/2013/12/10/7

http://www.securitytracker.com/id/1029468

Details

Risk Information

CVSS v2