Evict+Spec+Time: Exploiting Out-of-Order Execution to Improve Cache-Timing Attacks

ePrint Report: Evict+Spec+Time: Exploiting Out-of-Order Execution to Improve Cache-Timing Attacks

Shing Hing William Cheng, Chitchanok Chuengsatiansup, Daniel Genkin, Dallas McNeil, Toby Murray, Yuval Yarom, Zhiyuan Zhang

Speculative out-of-order execution is a strategy of masking execution latency by allowing younger instructions to execute before older instructions. While originally considered to be innocuous, speculative out-of-order execution was brought into the spotlight with the 2018 publication of the Spectre and Meltdown attacks. These attacks demonstrated that microarchitectural side channels can leak sensitive data …

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