CVE-2012-3496 Information

Description

XENMEM_populate_physmap in Xen 4.0 4.1 and 4.2 and Citrix XenServer 6.0.2 and earlier when translating paging mode is not used allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.

Reference

http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.html http://secunia.com/advisories/50472 http://secunia.com/advisories/50530 http://secunia.com/advisories/51413 http://secunia.com/advisories/55082 http://security.gentoo.org/glsa/glsa-201309-24.xml http://securitytracker.com/id?1027481 http://support.citrix.com/article/CTX134708 http://wiki.xen.org/wiki/Security_AnnouncementsXSA-14_XENMEM_populate_physmap_DoS_vulnerability http://www.debian.org/security/2012/dsa-2544 http://www.openwall.com/lists/oss-security/2012/09/05/7 http://www.osvdb.org/85200 http://www.securityfocus.com/bid/55412 https://bugzilla.redhat.com/show_bug.cgi?id=854590 https://exchange.xforce.ibmcloud.com/vulnerabilities/78267 https://security.gentoo.org/glsa/201604-03