M1RACLES: Apple M1 Exposed To Covert Channel Vulnerability Written by Michael Larabel in Linux Security on 26 May 2021 at 05:40 AM EDT. 26 Comments Apple's shiny new in-house M1 Arm chip is the latest processor challenged by a security vulnerability. The "M1RACLES" vulnerability was made public today as a covert channel vulnerability by where a mysterious register could leak EL0 state. The M1RACLE