Google Researchers Say Software Alone Can't Mitigate Spectre Chip Flaws

A group of researchers say that it will be difficult to avoid Spectre bugs in the future unless CPUs are dramatically overhauled. From a report: Google researchers say that software alone is not enough to prevent the exploitation of the Spectre flaws present in a variety of CPUs. The team of researchers -- including Ross McIlroy, Jaroslav Sevcik, Tobias Tebbi, Ben L Titzer and Toon Verwaest -- work on Chrome's V8 JavaScript engine. The researchers presented their findings in a paper distributed through ArXiv and came to the conclusion that all processors that perform speculative execution will always remain susceptible to various side-channel attacks, despite mitigations that may be discovered in future.

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