The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2...

Vulnerability Description

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.

References

• http://secunia.com/advisories/55082
• http://secunia.com/advisories/51413
• http://secunia.com/advisories/51200
• http://security.gentoo.org/glsa/glsa-201309-24.xml
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/80023
• http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html
• http://www.openwall.com/lists/oss-security/2012/11/13/2
• http://www.securitytracker.com/id?1027760
• http://osvdb.org/87297
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
• http://secunia.com/advisories/51352
• http://secunia.com/advisories/51324
• https://security.gentoo.org/glsa/201604-03
• http://www.securityfocus.com/bid/56498
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html