{"id":"CVE-2016-3961","details":"Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.","modified":"2026-04-16T06:22:53.127429745Z","published":"2016-04-15T14:59:14.050Z","references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/86068"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3003-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3004-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3005-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3006-1"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3607"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1035569"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3002-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3007-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3049-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3050-1"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-174.html"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3001-1"},{"type":"FIX","url":"http://xenbits.xen.org/xsa/xsa174.patch"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"15.10"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.3"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-3961.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}