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Security Researchers Publish Ryzen Flaws, Gave AMD 24 hours Prior Notice
2018-03-13T17:00:08.7272632Z - Ian Cutress / Hacker News
Today, CTS-Labs, a security company based in Israel, has published a whitepaper identifying four classes of potential vulnerabilities of the Ryzen, EPYC, Ryzen Pro, and Ryzen Mobile processor lines. At present, AMD’s official line is:"At AMD, security is a top priority and we are continually working to ensure the safety of our users as new risks arise. Impact EPYC Ryzen Ryzen Pro Ryzen Mobile MasterKey-1 Disable Security FeatureswithinAMD Secure Processor Yes Yes Maybe Maybe MasterKey-2 MasterKey-3CTS-Labs state that MasterKey-1 and Masterkey-2 has been successfully exploited on EPYC and Ryzen, but only theorized on Ryzen Pro and Ryzen Mobile by examining the code. Ryzenfall 1, 2, 3, and 4The Ryzenfall exploit revolves around AMD Secure OS, the operating system for the secure processor. Sources: AMD, CTS-Labs

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