Description
When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
AMD 1st Gen AMD EPYC™ Processors
Default version status: affected
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AMD 2nd Gen AMD EPYC™ Processors
Default version status: affected
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AMD Athlon™ X4 Processor
Default version status: affected
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AMD Ryzen™ Threadripper™ PRO Processor
Default version status: affected
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AMD 2nd Gen AMD Ryzen™ Threadripper™ Processors
Default version status: affected
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AMD 3rd Gen AMD Ryzen™ Threadripper™ Processors
Default version status: affected
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AMD 7th Generation AMD A-Series APUs
Default version status: affected
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AMD Ryzen™ 2000 Series Processors
Default version status: affected
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AMD Ryzen™ 3000 Series Processors
Default version status: affected
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AMD Ryzen™ 4000 Series Processors
Default version status: affected
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AMD Ryzen™ 5000 Series Processors
Default version status: affected
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AMD Athlon™ Mobile Processors
Default version status: affected
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