{"id":"CVE-2017-2583","details":"The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a \"MOV SS, NULL selector\" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.","modified":"2026-03-15T22:15:46.698239Z","published":"2017-02-06T06:59:00.387Z","related":["MGASA-2017-0063","MGASA-2017-0064","MGASA-2017-0065","SUSE-SU-2017:0407-1","SUSE-SU-2017:0464-1","SUSE-SU-2017:0471-1","SUSE-SU-2017:0575-1","SUSE-SU-2017:1990-1"],"references":[{"type":"WEB","url":"https://usn.ubuntu.com/3754-1/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/95673"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1615"},{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2017/01/19/2"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1616"},{"type":"ADVISORY","url":"http://www.debian.org/security/2017/dsa-3791"},{"type":"REPORT","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1414735"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-2583.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.9.4"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}