CVE-2012-5513

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CVE-2012-5513

Summary:

Details: The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.

References: http://rhn.redhat.com/errata/RHSA-2012-1540.html, http://secunia.com/advisories/51397, http://secunia.com/advisories/51468, http://secunia.com/advisories/51486, http://secunia.com/advisories/51487, http://secunia.com/advisories/51495, http://secunia.com/advisories/55082, http://security.gentoo.org/glsa/glsa-201309-24.xml, http://www.debian.org/security/2012/dsa-2582, http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html, http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html, http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html, http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html, http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.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.opensuse.org/opensuse-updates/2013-04/msg00051.html, http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html, http://support.citrix.com/article/CTX135777, http://www.openwall.com/lists/oss-security/2012/12/03/11, http://www.osvdb.org/88131, http://www.securityfocus.com/bid/56797, https://exchange.xforce.ibmcloud.com/vulnerabilities/80482