Description
Incomplete cleanup after loading a CPU microcode patch may allow a privileged attacker to degrade the entropy of the RDRAND instruction, potentially resulting in loss of integrity for SEV-SNP guests.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
AMD AMD EPYC™ 7003 Series Processors
Default version status: affected
MilanPI 1.0.0.Dunaffected
AMD AMD EPYC™ 9004 Series Processors
Default version status: affected
GenoaPI 1.0.0.Cunaffected
AMD AMD EPYC™ 8004 Series Processors
Default version status: affected
GenoaPI 1.0.0.Cunaffected
AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors
Default version status: affected
ChagallWSPI-sWRX8 1.0.0.8unaffected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
CezannePI-FP6_1.0.1.1unaffected
AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
Default version status: affected
RembrandtPI-FP7/FP7r2_1.0.0.Bunaffected
AMD AMD Ryzen™ 5000 Series Desktop Processors
Default version status: affected
ComboAM4v2 1.2.0.Cbunaffected
AMD AMD Ryzen™ 7000 Series Desktop Processors
Default version status: affected
ComboAM5 1.2.0.1unaffected
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
PhoenixPI-FP8-FP7_1.1.0.3unaffected
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
Default version status: affected
RembrandtPI-FP7/FP7r2_1.0.0.Bunaffected
AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
DragonRangeFL1 1.0.0.3eunaffected
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors
Default version status: affected
ChagallWSPI-sWRX8 1.0.0.8unaffected
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
CezannePI-FP6_1.0.1.1unaffected
AMD AMD Ryzen™ 8000 Series Desktop Processors
Default version status: affected
ComboAM5 1.2.0.1unaffected
AMD AMD EPYC™ Embedded 7003 Series Processors
Default version status: affected
EmbMilanPI-SP3 1.0.0.9unaffected
AMD AMD EPYC™ Embedded 9004 Series Processors
Default version status: affected
EmbGenoaPI-SP5 1.0.0.9unaffected
AMD AMD Ryzen™ Embedded 8000 Series Processors
Default version status: affected
EmbeddedPhoenixPI-FP7r2_1.2.0.0unaffected
AMD AMD Ryzen™ Embedded 7000 Series Processors
Default version status: affected
EmbeddedAM5PI 1.0.0.3unaffected
AMD AMD Ryzen™ Embedded 5000 Series Processors
Default version status: affected
EmbAM4PI 1.0.0.7unaffected
AMD AMD Ryzen™ Embedded V3000 Series Processors
Default version status: affected
Embedded-PI_FP7r2 100Aunaffected