CVE Vulnerabilities

CVE-2022-28735

Published: Jul 20, 2023 | Modified: Aug 25, 2023
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

The GRUB2s shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.

Affected Software

Name Vendor Start Version End Version
Grub2 Gnu 2.00 (including) 2.06-3 (excluding)

References