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What do you mean by firmware here? Microcode? No it's not. But as long as you only load bootloaders or operating systems that are signed, it doesn't matter th
by usr1106 6y ago
What do you mean by firmware here?
Microcode? No it's not. But as long as you only load bootloaders or operating systems that are signed, it doesn't matter that they could fiddle with the bits as long as the signature guarantees they don't (in any undesired way).
Or ME? Well, that seems to be a complete security nightmare.
- floatboth 6y agoMicrocode is protected by its own signing thing, IIUC. Firmware is both ME firmware and x86 firmware — the UEFI implementation, FSP, everything else that runs on early boot.