Description
An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
AMD AMD EPYC™ 7001 Series Processors
Default version status: affected
variousaffected
AMD AMD EPYC™ 7002 Series Processors
Default version status: affected
RomePI 1.0.0.Cunaffected
AMD AMD EPYC™ 7003 Series Processors
Default version status: affected
MilanPI 1.0.0.5unaffected
AMD AMD Ryzen™ 3000 Series Desktop Processors
Default version status: affected
variousaffected
AMD AMD Ryzen™ 5000 Series Desktop Processors
Default version status: affected
ComboAM4V2 1.2.0.Aunaffected
AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics
Default version status: affected
ComboAM4V2 1.2.0.Aunaffected
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
Default version status: affected
variousaffected
AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
Default version status: affected
variousaffected
AMD AMD Ryzen™ Threadripper™ 3000 Series Processors
Default version status: affected
variousaffected
AMD AMD Ryzen™ Threadripper™ PRO 5000WX Processors
Default version status: affected
ChagallWSPI-sWRX8 1.0.0.6unaffected
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
variousaffected
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
variousaffected
AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
variousaffected
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
variousaffected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
variousaffected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
CezannePI-FP6 1.0.0.Eunaffected
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
Default version status: affected
MendocinoPI-FT6 1.0.0.3unaffected
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
Default version status: affected
RembrandtPI-FP7 1.0.0.7unaffected
AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
Default version status: affected
RembrandtPI-FP7 1.0.0.7unaffected
AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics
Default version status: affected
CezannePI-FP6 1.0.0.Eunaffected
AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics
Default version status: affected
CezannePI-FP6 1.0.0.Eunaffected
AMD AMD EPYC™ Embedded 7002 Series Processors
Default version status: affected
EmbRomePI-SP3 1.0.0.6unaffected
AMD AMD EPYC™ Embedded 3000 Series Processors
Default version status: affected
Variousaffected
AMD AMD EPYC™ Embedded 7003 Series Processors
Default version status: affected
EmbMilanPI-SP3 1.0.0.2unaffected
AMD AMD Ryzen™ Embedded R1000 Series Processors
Default version status: affected
vaffected
AMD AMD Ryzen™ Embedded R2000 Series Processors
Default version status: affected
vaffected
AMD AMD Ryzen™ Embedded 5000 Series Processors
Default version status: affected
vaffected
AMD AMD Ryzen™ Embedded V1000 Series Processors
Default version status: affected
vaffected
AMD AMD Ryzen™ Embedded V2000 Series Processors
Default version status: affected
vaffected
AMD AMD Ryzen™ Embedded V3000 Series Processors
Default version status: affected
EmbeddedPI-FP7r2 1.0.0.4unaffected