more research on Domas’ x86 memory sinkhole

As reported earlier, Christopher Domas gave a talk at Black  Hat Briefings with an interesting Intel vulnerability:

Domas’ x86 vulnerability

Post-Domas Intel BIOS update

Beyond the earlier presentation, there’s now more research on this, a whitepaper:

Click to access us-15-Domas-TheMemorySinkhole-wp.pdf

as well as sample code:
https://github.com/xoreaxeaxeax/sinkhole/blob/master/sinkhole.asm