{"id":"CVE-2015-0239","details":"The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.","modified":"2026-04-16T06:24:35.037563749Z","published":"2015-03-02T11:59:04Z","references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1272.html"},{"type":"ADVISORY","url":"http://www.debian.org/security/2015/dsa-3170"},{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:058"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2015/01/27/6"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/72842"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2513-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2514-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2515-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2516-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2517-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2518-1"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1186448"},{"type":"ADVISORY","url":"https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2015/01/27/6"},{"type":"EVIDENCE","url":"http://www.openwall.com/lists/oss-security/2015/01/27/6"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1186448"},{"type":"WEB","url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050"},{"type":"WEB","url":"http://permalink.gmane.org/gmane.linux.kernel.commits.head/502245"}],"schema_version":"1.7.5"}