White Paper on how Exploits (PS3/PS4/iOS) work?

Hello! Been looking for some white papers to read about how some of the exploits for consoles or mobile devices were found and executed. Always find it interesting to read these write ups. Specifically, the step-by-step TECHNICAL steps that lead to the exploit. Like, what buffer/techniques were used (ROP, Ret2LibC, etc) and how, in a technical aspect, root level access was achieved. Not looking for a guide on "download these files, put it on a USB, run them" -- but …

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