Björn Ruytenberg

Thanks for the question. To enable Kernel DMA Protection, there are three requirements: 1. The CPU provides an IOMMU 2. UEFI enables the opt-in flag in the DMAR table 3....

Hi Konstantin, Thanks for your contribution! Could you share a dump of the firmware state after setting SL0 in your BIOS? Patching certain offsets to alter Security Levels may cause...

Thanks for the question. It looks like your attached firmware is the patched version. To better answer your question, could you please post the original dump?

Hi Chris, Thanks for the original dump and info. Your report has been a very good use case for me to add several new features, including: - Generating verbose output...

Hi Chris, > Glad this is of some help. I've repeated the steps you mentioned with has lead to another interesting issue. Whilst I think we have now patched the...

Hi Chris, I just had another look at your original dump in https://github.com/BjornRuytenberg/tcfp/issues/3#issuecomment-717583716, and it seems like more sections are missing than I originally noticed. Just to verify, can you...

Got any updates? I'd be happy to analyze this further for you, but I'll need more info at this point.

Hi Chris, > I'm unsure how to progress this as I don't have an SPI programmer. I see. That explains the firmware image identifying as an update. > (Ultimately I...

Hi Chris, Got any updates? It would be good to know what's causing the issue you're seeing -- your findings may be valuable to other users, too.