Description
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
AMD 3rd Gen AMD EPYC™ Processors
Default version status: unaffected
various to < Milan PI 1.0.0.Daffected
AMD 1st Gen AMD EPYC™ Processors
Default version status: affected
various to < Naples PI 1.0.0.Maffected
AMD 2nd Gen AMD EPYC™ Processors
Default version status: affected
various to < Rome PI 1.0.0.Jaffected
AMD 4th Gen AMD EPYC™ Processors
Default version status: affected
various to < Genoa PI 1.0.0.Cunaffected
AMD AMD EPYC™ Embedded 3000
Default version status: affected
variousaffected
AMD AMD EPYC™ Embedded 7002
Default version status: affected
variousaffected
AMD AMD EPYC™ Embedded 7003
Default version status: affected
variousaffected
AMD AMD EPYC™ Embedded 9003
Default version status: affected
various to < EmbGenoaPI 1.0.0.7unaffected
AMD AMD Ryzen™ Embedded R1000
Default version status: affected
variousaffected
AMD AMD Ryzen™ Embedded R2000
Default version status: affected
variousaffected
AMD AMD Ryzen™ Embedded 5000
Default version status: affected
variousaffected
AMD AMD Ryzen™ Embedded 7000
Default version status: affected
variousaffected
AMD AMD Ryzen™ Embedded V1000
Default version status: affected
variousaffected
AMD AMD Ryzen™ Embedded V2000
Default version status: affected
variousaffected
AMD AMD Ryzen™ Embedded V3000
Default version status: affected
variousaffected
AMD AMD Ryzen™ 3000 Series Desktop Processors
Default version status: affected
variousaffected
AMD AMD Ryzen™ 5000 Series Desktop Processors
Default version status: affected
various to < ComboAM4v2PI 1.2.0.cbunaffected
AMD AMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics
Default version status: affected
various to < ComboAM4v2PI 1.2.0.cbunaffected
AMD AMD Ryzen™ 7000 Series Desktop Processors
Default version status: affected
various to < ComboAM5PI 1.2.0.1affected
AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
Default version status: affected
various to < ComboAM4v2PI 1.2.0.cbaffected
AMD AMD Ryzen™ Threadripper™ 3000 Series Processors
Default version status: affected
various to < CastlePeakPI-SP3r3 1.0.0.Baffected
AMD AMD Ryzen™ Threadripper™ PRO Processors
Default version status: affected
various to < ChagallWSPI-sWRX8 1.0.0.8affectedvarious to < CastlePeakWSPI-sWRX8 1.0.0.Dunaffected
AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors
Default version status: affected
various to < ChagallWSPI-sWRX8 1.0.0.8unaffected
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
various to < Picasso-FP5 1.0.1.2unaffectedvarious to < PollockPI-FT5 1.0.0.8unaffected
AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
Default version status: affected
various to < Picasso-FP5 1.0.1.2affected
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
various to < RenoirPI-FP6 1.0.0.Eunaffected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
various to < CezannePI-FP6 1.0.1.1unaffected
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
various to < CezannePI-FP6affected
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
Default version status: affected
various to < PhoenixPI-FP8-FP7 1.1.0.3unaffected
AMD AMD Ryzen™ 7045 Series Mobile Processors
Default version status: affected
various to < DragonRangeFL1 1.0.0.3eunaffected
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
Default version status: affected
various to < RembrandtPI-FP7 1.0.0.Bunaffected
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
Default version status: affected
various to < MendocinoPI-FT6 1.0.0.7affected
AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
Default version status: affected
various to < RembrandtPI-FP7 1.0.0.Bunaffected
AMD AMD Ryzen™ 8000 Series Processors with Radeon™ Graphics
Default version status: affected
various to < ComboAM5PI 1.2.0.1unaffected
References
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html ↗
- https://www.darkreading.com/remote-workforce/amd-issues-updates-for-silicon-level-sinkclose-flaw ↗
- https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON%2032%20-%20Enrique%20Nissim%20Krzysztof%20Okupski%20-%20AMD%20Sinkclose%20Universal%20Ring-2%20Privilege%20Escalation.pdf ↗
- https://news.ycombinator.com/item?id=41475975 ↗