Vulnerability: Shim_lock verifier allows unverified code loading in GRUB2 on secure boot systems

Vulnerability: Shim_lock verifier allows unverified code loading in GRUB2 on secure boot systems

CVE-2022-28735 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

The GRUB2's 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.

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