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how do Meltdown & Spectre exploit the memory hierarchy? - Spatial locality: by measuring which user - space memory access takes less time, these attacks
how do Meltdown & Spectre exploit the memory hierarchy?
Spatial locality: by measuring which userspace memory access takes less time, these attacks can read values in memory near a kernelspace memory address
Temporal locality: by measuring which userspace memory access takes less time, these attacks can determine the value at a kernelspace memory address
Cache coherency: by measuring the differences in the values between two caches, these attacks can determine which kernelspace addresses were updated
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