{"id":"CVE-2015-7837","details":"The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot.","modified":"2026-02-25T09:15:35.596055420Z","published":"2017-09-19T16:29:00Z","withdrawn":"2026-01-27T04:15:09.567276Z","references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-2152.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-2411.html"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2015/10/15/6"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/77097"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1272472"},{"type":"REPORT","url":"https://github.com/mjg59/linux/commit/4b2b64d5a6ebc84214755ebccd599baef7c1b798"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"}]}