CVE ID:	CVE-2014-8594
Description:	The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
Test IDs:	1.3.6.1.4.1.25623.1.0.703140   1.3.6.1.4.1.25623.1.1.4.2014.1710.1   1.3.6.1.4.1.25623.1.1.4.2014.1732.1   1.3.6.1.4.1.25623.1.1.4.2014.1691.1
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2014-8594 BugTraq ID: 71149 http://www.securityfocus.com/bid/71149 Debian Security Information: DSA-3140 (Google Search) http://www.debian.org/security/2015/dsa-3140 https://security.gentoo.org/glsa/201504-04 http://secunia.com/advisories/62672 SuSE Security Announcement: openSUSE-SU-2015:0226 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html SuSE Security Announcement: openSUSE-SU-2015:0256 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html XForce ISS Database: xen-cve20148594-sec-byass(98767) https://exchange.xforce.ibmcloud.com/vulnerabilities/98767