CVE-2015-7837
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.
- Score
- CVSS 3.0 5.5 Medium
- Status
- Modified - cve@mitre.org
- Published
- 2017-09-19
- Last modified
- 2024-08-06
- Weaknesses
- CWE-254
Affected products
- Enterprise Linux (Redhat)
- Enterprise Linux Desktop (Redhat)
- Enterprise Linux Server Aus (Redhat)
- Enterprise Linux Workstation (Redhat)
- Enterprise Mrg (Redhat)
- Kernel-rt (Redhat)
References
- http://rhn.redhat.com/errata/RHSA-2015-2152.html
- http://rhn.redhat.com/errata/RHSA-2015-2411.html
- http://www.openwall.com/lists/oss-security/2015/10/15/6
- http://www.securityfocus.com/bid/77097
- https://bugzilla.redhat.com/show_bug.cgi?id=1272472
- https://github.com/mjg59/linux/commit/4b2b64d5a6ebc84214755ebccd599baef7c1b798