{"id":"CVE-2018-19967","details":"An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix.","modified":"2026-03-15T22:25:56.276415Z","published":"2018-12-08T04:29:00.513Z","related":["SUSE-SU-2019:0003-1","SUSE-SU-2019:0825-1","SUSE-SU-2019:0827-1","SUSE-SU-2019:0875-1","SUSE-SU-2019:0921-1","SUSE-SU-2019:13921-1","SUSE-SU-2019:14011-1","openSUSE-SU-2019:1199-1","openSUSE-SU-2024:11520-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00057.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4369"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106182"},{"type":"ADVISORY","url":"https://support.citrix.com/article/CTX239432"},{"type":"FIX","url":"https://xenbits.xen.org/xsa/advisory-282.html"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19967.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.11.1"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"}]}