{"id":"CVE-2018-19965","details":"An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.","modified":"2026-03-15T22:25:55.117028Z","published":"2018-12-08T04:29:00.420Z","related":["SUSE-SU-2018:4070-1","SUSE-SU-2018:4300-1","SUSE-SU-2019:0003-1","SUSE-SU-2019:0020-1","SUSE-SU-2019:0827-1","SUSE-SU-2019:13921-1","SUSE-SU-2019:14011-1","SUSE-SU-2020:0388-1","openSUSE-SU-2024:11520-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106182"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4369"},{"type":"FIX","url":"https://support.citrix.com/article/CTX239432"},{"type":"FIX","url":"https://xenbits.xen.org/xsa/advisory-279.html"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.11.1"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.1-cu1"}]},{"events":[{"introduced":"0"},{"last_affected":"7.5"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19965.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H"}]}