CVE-2020-12928, Privilege Escalation in AMD Ryzen Master Overclocking Utility Driver AMDRyzenMaster.sys exploit proof-of-concept. Thanks to everyone mentioned for the help!
"I have since stopped looking for these types of bugs as I believe they wouldn’t really help me progress skills wise and my goals have changed since."
Can I ask what's changed & why you feel that way?
probably because there are way too many of these, since all these drivers copypasted the WinRing0 / WinIO drivers someone wrote for NT 4 about two decades ago. It's incredibly uninteresting to reverse these. Just look at this: