{"id":"CVE-2016-9382","details":"Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.","modified":"2026-04-16T01:40:17.644585399Z","published":"2017-01-23T21:59:02.830Z","related":["SUSE-SU-2016:3044-1","SUSE-SU-2016:3067-1","SUSE-SU-2016:3083-1","SUSE-SU-2016:3156-1","SUSE-SU-2016:3174-1","SUSE-SU-2016:3273-1","openSUSE-SU-2024:11520-1"],"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94470"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1037341"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201612-56"},{"type":"FIX","url":"http://xenbits.xen.org/xsa/advisory-192.html"},{"type":"FIX","url":"https://support.citrix.com/article/CTX218775"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.0.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.0.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.0.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.0.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.0.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.5"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.6.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.5"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.5"}]},{"events":[{"introduced":"0"},{"last_affected":"4.6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.6.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.6.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.6.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.7.1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0.2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-9382.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:H/I:H/A:H"}]}