![]() These are used to create a pointer verification function and a transmission function that speculatively sends the PAC verification result using a micro-architectural side channel. It relies on software "gadgets" – pre-existing in-memory instruction sequences that can be chained together to perform desired functions. This means it is non-trivial to exploit in a real-world scenario. ![]() The attack involves monitoring the interactions between translation lookaside buffers (TLBs) and caches to measure conflicts, the researchers explain.
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