Description
Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network (SMN) access, potentially resulting in arbitrary code execution in AMD Secure Processor (ASP) and loss of the SEV-SNP guest's confidentiality and integrity.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
AMD AMD EPYC™ 9004 Series Processors
Default version status: affected
GenoaPI_1.0.0.Hunaffected
AMD AMD EPYC™ 9005 Series Processors
Default version status: affected
TurinPI_1.0.0.8unaffected
AMD AMD EPYC™ 8004 Series Processors
Default version status: affected
GenoaPI_1.0.0.Hunaffected
AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")
Default version status: affected
EmbGenoaPI-SP5 1.0.0.Dunaffected
AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")
Default version status: affected
EmbGenoaPI-SP5 1.0.0.Dunaffected
AMD AMD EPYC™ Embedded 8004 Series Processors
Default version status: affected
EmbGenoaPI-SP5 1.0.0.Dunaffected
AMD AMD EPYC™ Embedded 9005 Series Processors
Default version status: affected
EmbeddedTurinPI_SP5_1004unaffected