Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| AMD / 3rd Gen AMD EPYC™ Processors | affected various before Milan PI 1.0.0.D |
| AMD / 1st Gen AMD EPYC™ Processors | affected various before Naples PI 1.0.0.M |
| AMD / 2nd Gen AMD EPYC™ Processors | affected various before Rome PI 1.0.0.J |
| AMD / 4th Gen AMD EPYC™ Processors | unaffected various before Genoa PI 1.0.0.C |
| AMD / AMD EPYC™ Embedded 3000 | affected various |
| AMD / AMD EPYC™ Embedded 7002 | affected various |
| AMD / AMD EPYC™ Embedded 7003 | affected various |
| AMD / AMD EPYC™ Embedded 9003 | unaffected various before EmbGenoaPI 1.0.0.7 |
| AMD / AMD Ryzen™ Embedded R1000 | affected various |
| AMD / AMD Ryzen™ Embedded R2000 | affected various |
| AMD / AMD Ryzen™ Embedded 5000 | affected various |
| AMD / AMD Ryzen™ Embedded 7000 | affected various |
| AMD / AMD Ryzen™ Embedded V1000 | affected various |
| AMD / AMD Ryzen™ Embedded V2000 | affected various |
| AMD / AMD Ryzen™ Embedded V3000 | affected various |
| AMD / AMD Ryzen™ 3000 Series Desktop Processors | affected various |
| AMD / AMD Ryzen™ 5000 Series Desktop Processors | unaffected various before ComboAM4v2PI 1.2.0.cb |
| AMD / AMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics | unaffected various before ComboAM4v2PI 1.2.0.cb |
| AMD / AMD Ryzen™ 7000 Series Desktop Processors | affected various before ComboAM5PI 1.2.0.1 |
| AMD / AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics | affected various before ComboAM4v2PI 1.2.0.cb |
| AMD / AMD Ryzen™ Threadripper™ 3000 Series Processors | affected various before CastlePeakPI-SP3r3 1.0.0.B |
| AMD / AMD Ryzen™ Threadripper™ PRO Processors | affected various before ChagallWSPI-sWRX8 1.0.0.8; unaffected various before CastlePeakWSPI-sWRX8 1.0.0.D |
| AMD / AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors | unaffected various before ChagallWSPI-sWRX8 1.0.0.8 |
| AMD / AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | unaffected various before Picasso-FP5 1.0.1.2; unaffected various before PollockPI-FT5 1.0.0.8 |
| AMD / AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics | affected various before Picasso-FP5 1.0.1.2 |
| AMD / AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | unaffected various before RenoirPI-FP6 1.0.0.E |
| AMD / AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | unaffected various before CezannePI-FP6 1.0.1.1 |
| AMD / AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics | affected various before CezannePI-FP6 |
| AMD / AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics | unaffected various before PhoenixPI-FP8-FP7 1.1.0.3 |
| AMD / AMD Ryzen™ 7045 Series Mobile Processors | unaffected various before DragonRangeFL1 1.0.0.3e |
| AMD / AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics | unaffected various before RembrandtPI-FP7 1.0.0.B |
| AMD / AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | affected various before MendocinoPI-FT6 1.0.0.7 |
| AMD / AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics | unaffected various before RembrandtPI-FP7 1.0.0.B |
| AMD / AMD Ryzen™ 8000 Series Processors with Radeon™ Graphics | unaffected various before ComboAM5PI 1.2.0.1 |
CWE
No CWE identifiers supplied.
References
ADP enrichment
No English description supplied.
- 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
No English description supplied.
No references supplied.