Hardware Vulnerability in Apple’s M-Series Chips
Schneier on Security
MARCH 28, 2024
By loading the contents into the CPU cache before it’s actually needed, the DMP, as the feature is abbreviated, reduces latency between the main memory and the CPU, a common bottleneck in modern computing. As a result, the DMP often reads the data and attempts to treat it as an address to perform memory access. So it could be worse.
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