Researchers find new CPU vulnerabilities and say fixes would kill performance
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Researchers find new CPU vulnerabilities and say fixes would kill performance

by arun809097
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Computer science researchers at the University of Virginia School of Engineering and University of California, San Diego, jointly published a paper (PDF) outlining new Spectre variants that they say affects “billions” of AMD and Intel PCs. The researchers also say they are immune to all existing hardware and software mitigations, and worse yet, potential fixes would have a major impact on system performance.

“In the case of the previous Spectre attacks, developers have come up with a relatively easy way to prevent any sort of attack without a major performance penalty. The difference with this attack is you take a much greater performance penalty than those previous attacks,” said Logan Moody, one of the researchers.

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