{"id":"CVE-2014-8594","details":"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).","modified":"2026-04-10T03:44:45.723967Z","published":"2014-11-19T18:59:10Z","related":["SUSE-SU-2015:0940-1"],"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html"},{"type":"ADVISORY","url":"http://www.debian.org/security/2015/dsa-3140"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-109.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201504-04"},{"type":"FIX","url":"http://xenbits.xen.org/xsa/advisory-109.html"},{"type":"REPORT","url":"http://secunia.com/advisories/62672"},{"type":"WEB","url":"http://www.securityfocus.com/bid/71149"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/98767"}],"schema_version":"1.7.5"}