> [..] referred to it as a backdoor Because it was implemented in a flawed way. > "In 2018 Christopher Domas discovered that some Samuel 2 processors came wit

> [..] referred to it as a backdoor Because it was implemented in a flawed way. > "In 2018 Christopher Domas discovered that some Samuel 2 processors came with the Alternate Instruction Set enabled by default and that by executing AIS instructions from user space, it was possible to gain privilege escalation from Ring 3 to Ring 0.["