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Apple invents a unique hardware bug which is a bit like Spectre
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Apple invents a unique hardware bug which is a bit like Spectre
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10th May 2022, 06:44
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| [M] Reviewer  Join Date: May 2010 Location: Romania
Posts: 148,618
 |  Apple invents a unique hardware bug which is a bit like Spectre I bet you thought all the hardware bugs had been invented already Fruit and nutty Cargo Cult Apple has extended its innovative software bug development to hardware and come up with its own unique flavour of Spectre. A team of researchers with the University of Illinois Urbana-Champaign, Tel Aviv University, and the University of Washington have demonstrated a world-first Data Memory-Dependent Prefetcher (DMP) vulnerability, dubbed "Augury," that's exclusive to Apple Silicon. If exploited, the vulnerability could allow attackers to siphon off "at rest" data, meaning the data doesn't even need to be accessed by the processing cores to be exposed. Augury only exists because of Apple Silicon's DMP feature. This prefetcher aims to improve system performance by being aware of the entire memory content, which allows it to improve system performance by pre-fetching data before it's needed. https://fudzilla.com/news/54820-appl...t-like-spectre |
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