Meta Uncovers RDSEED Architectural Issue In AMD Zen 5 CPUs

Posted by bob on Oct 17, 2025 7:43 AM EDT
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Over the years we have seen various workarounds like disabling RDSEED for select AMD CPUs due to hardware bugs and early on in the Zen days were also some RdRand issues due to different problems. It turns out the newest AMD EPYC 5th Gen "Turin" processors have a new RDSEED issue...

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