21CTO
Jun 17, 2022 · Information Security
Can Apple’s M1 Chip’s Pointer Authentication Be Bypassed? The PacMan Attack Explained
MIT researchers have uncovered an unpatchable hardware flaw in Apple’s M1 chip’s Pointer Authentication Code, demonstrating a speculative‑execution‑based PacMan attack that can bypass the chip’s last line of defense and even compromise the kernel.
Apple M1MITSpeculative Execution
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