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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Enterprise_linux | Redhat | 7.0 (including) | 7.0 (including) |
| Enterprise_linux | Redhat | 7.2 (including) | 7.2 (including) |
| Enterprise_linux | Redhat | 7.3 (including) | 7.3 (including) |
| Enterprise_linux_desktop | Redhat | 7.0 (including) | 7.0 (including) |
| Enterprise_linux_server_aus | Redhat | 7.3 (including) | 7.3 (including) |
| Enterprise_linux_server_aus | Redhat | 7.4 (including) | 7.4 (including) |
| Enterprise_linux_workstation | Redhat | 7.0 (including) | 7.0 (including) |
| Enterprise_mrg | Redhat | 2.0 (including) | 2.0 (including) |
| Kernel-rt | Redhat | 7.0 (including) | 7.0 (including) |