CVE-2012-4537 Information

Description

Xen 3.4 through 4.2 and possibly earlier versions does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure) aka \Memory mapping failure DoS vulnerability.\

Reference

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.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.opensuse.org/opensuse-security-announce/2012-12/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html http://lists.xen.org/archives/html/xen-announce/2012-11/msg00005.html http://osvdb.org/87307 http://rhn.redhat.com/errata/RHSA-2012-1540.html http://secunia.com/advisories/51200 http://secunia.com/advisories/51324 http://secunia.com/advisories/51352 http://secunia.com/advisories/51413 http://secunia.com/advisories/51468 http://secunia.com/advisories/55082 http://security.gentoo.org/glsa/glsa-201309-24.xml http://www.debian.org/security/2012/dsa-2582 http://www.openwall.com/lists/oss-security/2012/11/13/6 http://www.securityfocus.com/bid/56498 http://www.securitytracker.com/id?1027761 https://exchange.xforce.ibmcloud.com/vulnerabilities/80024 https://security.gentoo.org/glsa/201604-03