{"id":"CVE-2016-9932","details":"CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a \"supposedly-ignored\" operand size prefix.","modified":"2026-04-16T06:21:41.326229355Z","published":"2017-01-26T15:59:00.407Z","related":["SUSE-SU-2016:3207-1","SUSE-SU-2016:3208-1","SUSE-SU-2016:3221-1","SUSE-SU-2016:3241-1","SUSE-SU-2017:0718-1","openSUSE-SU-2024:11520-1"],"references":[{"type":"ADVISORY","url":"http://www.debian.org/security/2017/dsa-3847"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94863"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1037468"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201612-56"},{"type":"ADVISORY","url":"https://support.citrix.com/article/CTX219378"},{"type":"FIX","url":"http://xenbits.xen.org/xsa/advisory-200.html"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9932.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"3.3.0"}]},{"events":[{"introduced":"0"},{"last_affected":"3.3.1"}]},{"events":[{"introduced":"0"},{"last_affected":"3.3.2"}]},{"events":[{"introduced":"0"},{"last_affected":"3.4.0"}]},{"events":[{"introduced":"0"},{"last_affected":"3.4.1"}]},{"events":[{"introduced":"0"},{"last_affected":"3.4.2"}]},{"events":[{"introduced":"0"},{"last_affected":"3.4.3"}]},{"events":[{"introduced":"0"},{"last_affected":"3.4.4"}]},{"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"}]},{"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":"4.6.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.7.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}