Multi buffer overflows in kernel in Intel ME lets hackers run unsigned code on turned off computers!

https://nvd.nist.gov/vuln/detail/CVE-2017-5705
https://www.blackhat.com/docs/eu-17/materials/eu-17-Goryachy-How-To-Hack-A-Turned-Off-Computer-Or-Running-Unsigned-Code-In-Intel-Management-Engine.pdf

how the fuck you run code on off computers?
this is as obtuse as ``hijacker runs over a family in a car that was not even running