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Just about every Windows and Linux device vulnerable to new LogoFAIL firmware attack
(arstechnica.com)
this post was submitted on 06 Dec 2023
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Since the EFI partition is unencrypted, physical access would do the trick here too, even with every firmware/software security measure.
True, but this was the case without this finding, wasn't it? With write access to the EFI you could replace the boot loader and do whatever you please.
Unless a proper secure boot + FDE setup is in place.