Security Advisory

CVE-2022-28735

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-07-20 00:22:51
Last updated 2025-02-13 16:32:36
Assigner canonical
State PUBLISHED

Description

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.