Didn't see a thread up for it.
I also found this dated back to july 20th according to google
https://www.blackhat.com/docs/us-15/materials/us-15-Domas-The-Memory-Sinkhole-Unleashing-An-x86-Design-Flaw-Allowing-Universal-Privilege-Escalation-wp.pdf
So, if I were to attempt to sum it up, there's a backdoor on pre sandy bridge chips. Is that accurate?