VULNERABILITY INTELLIGENCE

CVE-2015-7837

CVSS score5.5 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2017-09-19
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Description

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.

Primary references