The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.Referenceshttp://secunia.com/advisories/55082http://secunia.com/advisories/51413http://secunia.com/advisories/51200http://security.gentoo.org/glsa/glsa-201309-24.xmlhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.htmlhttps://exchange.xforce.ibmcloud.com/vulnerabilities/80023http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.htmlhttp://www.openwall.com/lists/oss-security/2012/11/13/2http://www.securitytracker.com/id?1027760http://osvdb.org/87297http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.htmlhttp://secunia.com/advisories/51352http://secunia.com/advisories/51324https://security.gentoo.org/glsa/201604-03http://www.securityfocus.com/bid/56498http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
