MIT researchers uncover ‘unpatchable’ flaw in Apple M1 chips – TechCrunch

Apple’s M1 chips have an “unpatchable” hardware vulnerability that could allow attackers to break through its last line of security defenses, MIT researchers have discovered. The vulnerability lies in a hardware-level security mechanism utilized in Apple M1 chips called pointer authentication codes, or PAC. This feature makes it much harder for an attacker to inject malicious…