Paul van der Vlis <paul-kzJ6NpsJWJiWrUy98/[email protected]> writes:
> Op 02-03-15 om 11:24 schreef Simon Josefsson: >> Paul van der Vlis >> <paul-kzJ6NpsJWJiWrUy98/[email protected]> >> writes: >> >>> Hello, >>> >>> I try to make a list of devices in common laptops what has it's own >>> firmware: >> >> Nice list! Analysing each firmware further could be quite interesting. > > Thanks. An important point is: "can the firmware be updated or not". I think there are a couple of interesting questions: 1) Is there non-free firmware that can be updated? This leads to the possibility of writing free software firmware-replacements. 2) Is there any technical restrictions on the updating procedures? Some hardware may require cryptographically signed firmware in order to update. This has to be circumvented to replace the firmware. 3) What security problems are there in the firmware that is bad for the user? I initially wrote "Is there security problems" but we all know that any non-trivial software has bugs. I suppose the question is, further, to what extent the security issues have an impact on the user. If some hardware that has DMA to the main RAM has a security problem in its firmware, that may have severe consequences for the user. /Simon
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