30 Jun
2017
30 Jun
'17
3 p.m.
On Fri, 30 Jun 2017 04:25:06 +0000 ron minnich rminnich@gmail.com wrote:
there's something I am certain I don't understand about SMM on intel chipsets.
The question is pretty simple. Consider a system with a recent intel chipset and flash. Is there some special secret sauce that disables writing to flash unless in SMM and if so, what is it?
There is also a talk explaining it (without SMM_BWP).
https://media.ccc.de/v/31c3_-_6129_-_en_-_saal_2_-_201412282030_-_attacks_on...