So apparently Grub inputs are security critical because it's been blessed to be a part of the TCB of secure boot systems.<p>Previously: <a href="https://eclypsium.com/2021/04/14/boothole-how-it-started-how-its-going/" rel="nofollow">https://eclypsium.com/2021/04/14/boothole-how-it-started-how...</a>