PHYSDEVOP_map_pirq in Xen 4.1 and 4.2 and Citrix XenServer 6.0.2...

Vulnerability Description

PHYSDEVOP_map_pirq in Xen 4.1 and 4.2 and Citrix XenServer 6.0.2 and earlier allows local HVM guest OS kernels to cause a denial of service (host crash) and possibly read hypervisor or guest memory via vectors related to a missing range check of map->index.

References

• http://secunia.com/advisories/55082
• http://secunia.com/advisories/50530
• http://secunia.com/advisories/51413
• http://security.gentoo.org/glsa/glsa-201309-24.xml
• http://www.securityfocus.com/bid/55414
• http://wiki.xen.org/wiki/Security_Announcements#XSA-16_PHYSDEVOP_map_pirq_index_vulnerability
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
• http://secunia.com/advisories/50472
• http://lists.xen.org/archives/html/xen-announce/2012-09/msg00005.html
• http://osvdb.org/85198
• https://security.gentoo.org/glsa/201604-03
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78269
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
• http://support.citrix.com/article/CTX134708
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
• http://www.openwall.com/lists/oss-security/2012/09/05/9
• https://bugzilla.redhat.com/show_bug.cgi?id=851193
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
• http://securitytracker.com/id?1027483