Improper input validation in the system management mode (SMM) could allow a privileged…
Priority LOW 34CWE-1220Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00136 3rd percentileScored 2026-11-07
Fix Fixed AMD Ryzen™ Threadripper™ 3000 Processors (AMD): CastlePeakPI-SP3r3 1.0.0.CAMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors (AMD): ChagallWSPI-sWRX8-1.0.0.7+24 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| AMD | AMD Ryzen™ Threadripper™ 3000 Processors | — | CastlePeakPI-SP3r3 1.0.0.C | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors | — | ChagallWSPI-sWRX8-1.0.0.7 | Patch available | CNA |
| AMD | AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics | — | CezannePI-FP6_1.0.1.0 | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors | — | CastlePeakWSPI-sWRX8 1.0.0.E, ChagallWSPI-sWRX8-1.0.0.7 | Patch available | CNA |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | — | ComboAM4 1.0.0.B, ComboAM4v2PI_1.2.0.CA | Patch available | CNA |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | — | Picasso-FP5 1.0.1.1 | Patch available | CNA |
| AMD | AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics | — | Picasso-FP5 1.0.1.1 | Patch available | CNA |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors | — | ComboAM4v2PI_1.2.0.CA | Patch available | CNA |
| AMD | AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics | — | ComboAM4 1.0.0.B | Patch available | CNA |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors | — | ComboAM5 1.2.0.0 | Patch available | CNA |
| AMD | AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics | — | PhoenixPI-FP8-FP7_1.1.0.2 | Patch available | CNA |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | — | Renoir-FP6 1.0.0.D | Patch available | CNA |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics | — | Rembrandt-FP7 1.0.0.A | Patch available | CNA |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | — | ComboAM5 1.2.0.0 | Patch available | CNA |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | — | MendocinoPI-FT6_1.0.0.6 | Patch available | CNA |
| AMD | AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics | — | DragonRangeFL1 1.0.0.3d | Patch available | CNA |
| AMD | AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics | — | Rembrandt-FP7 1.0.0.A | Patch available | CNA |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | — | CezannePI-FP6_1.0.1.0 | Patch available | CNA |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics | — | ComboAM4v2PI_1.2.0.CA | Patch available | CNA |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors | — | ComboAM4v2PI_1.2.0.CA | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded R1000 Series Processors | — | EmbeddedPI-FP5 120C | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded R2000 Series Processors | — | EmbeddedR2KPI-FP5_1003 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded 5000 Series Processors | — | EmbAM4PI 1.0.0.5 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded V1000 Series Processors | — | EmbeddedPI-FP5 120C | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded V2000 Series Processors | — | EmbeddedPI-FP6_1.0.0.A | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded V3000 Series Processors | — | Embedded-PI_FP7r2 1009 | Patch available | CNA |
- AMD Ryzen™ Threadripper™ 3000 Processors VendorAMD Affected — Fixed in CastlePeakPI-SP3r3 1.0.0.C Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors VendorAMD Affected — Fixed in ChagallWSPI-sWRX8-1.0.0.7 Patch available CNA
- AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in CezannePI-FP6_1.0.1.0 Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors VendorAMD Affected — Fixed in CastlePeakWSPI-sWRX8 1.0.0.E, ChagallWSPI-sWRX8-1.0.0.7 Patch available CNA
- AMD Ryzen™ 3000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM4 1.0.0.B, ComboAM4v2PI_1.2.0.CA Patch available CNA
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in Picasso-FP5 1.0.1.1 Patch available CNA
- AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in Picasso-FP5 1.0.1.1 Patch available CNA
- AMD Ryzen™ 5000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM4v2PI_1.2.0.CA Patch available CNA
- AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics VendorAMD Affected — Fixed in ComboAM4 1.0.0.B Patch available CNA
- AMD Ryzen™ 8000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM5 1.2.0.0 Patch available CNA
- AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in PhoenixPI-FP8-FP7_1.1.0.2 Patch available CNA
- AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in Renoir-FP6 1.0.0.D Patch available CNA
- AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in Rembrandt-FP7 1.0.0.A Patch available CNA
- AMD Ryzen™ 7000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM5 1.2.0.0 Patch available CNA
- AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in MendocinoPI-FT6_1.0.0.6 Patch available CNA
- AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in DragonRangeFL1 1.0.0.3d Patch available CNA
- AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in Rembrandt-FP7 1.0.0.A Patch available CNA
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in CezannePI-FP6_1.0.1.0 Patch available CNA
- AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics VendorAMD Affected — Fixed in ComboAM4v2PI_1.2.0.CA Patch available CNA
- AMD Ryzen™ 4000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM4v2PI_1.2.0.CA Patch available CNA
- AMD Ryzen™ Embedded R1000 Series Processors VendorAMD Affected — Fixed in EmbeddedPI-FP5 120C Patch available CNA
- AMD Ryzen™ Embedded R2000 Series Processors VendorAMD Affected — Fixed in EmbeddedR2KPI-FP5_1003 Patch available CNA
- AMD Ryzen™ Embedded 5000 Series Processors VendorAMD Affected — Fixed in EmbAM4PI 1.0.0.5 Patch available CNA
- AMD Ryzen™ Embedded V1000 Series Processors VendorAMD Affected — Fixed in EmbeddedPI-FP5 120C Patch available CNA
- AMD Ryzen™ Embedded V2000 Series Processors VendorAMD Affected — Fixed in EmbeddedPI-FP6_1.0.0.A Patch available CNA
- AMD Ryzen™ Embedded V3000 Series Processors VendorAMD Affected — Fixed in Embedded-PI_FP7r2 1009 Patch available CNA
Remediation
- Fix · CNA AMD Ryzen™ Threadripper™ 3000 Processors (AMD) Fixed in CastlePeakPI-SP3r3 1.0.0.C
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors (AMD) Fixed in ChagallWSPI-sWRX8-1.0.0.7
- Fix · CNA AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in CezannePI-FP6_1.0.1.0
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors (AMD) Fixed in CastlePeakWSPI-sWRX8 1.0.0.E, ChagallWSPI-sWRX8-1.0.0.7
- Fix · CNA AMD Ryzen™ 3000 Series Desktop Processors (AMD) Fixed in ComboAM4 1.0.0.B, ComboAM4v2PI_1.2.0.CA
- Fix · CNA AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in Picasso-FP5 1.0.1.1
- Fix · CNA AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in Picasso-FP5 1.0.1.1
- Fix · CNA AMD Ryzen™ 5000 Series Desktop Processors (AMD) Fixed in ComboAM4v2PI_1.2.0.CA
- Fix · CNA AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics (AMD) Fixed in ComboAM4 1.0.0.B
- Fix · CNA AMD Ryzen™ 8000 Series Desktop Processors (AMD) Fixed in ComboAM5 1.2.0.0
- Fix · CNA AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in PhoenixPI-FP8-FP7_1.1.0.2
- Fix · CNA AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in Renoir-FP6 1.0.0.D
- Fix · CNA AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics (AMD) Fixed in Rembrandt-FP7 1.0.0.A
- Fix · CNA AMD Ryzen™ 7000 Series Desktop Processors (AMD) Fixed in ComboAM5 1.2.0.0
- Fix · CNA AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics (AMD) Fixed in MendocinoPI-FT6_1.0.0.6
- Fix · CNA AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in DragonRangeFL1 1.0.0.3d
- Fix · CNA AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics (AMD) Fixed in Rembrandt-FP7 1.0.0.A
- Fix · CNA AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in CezannePI-FP6_1.0.1.0
- Fix · CNA AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics (AMD) Fixed in ComboAM4v2PI_1.2.0.CA
- Fix · CNA AMD Ryzen™ 4000 Series Desktop Processors (AMD) Fixed in ComboAM4v2PI_1.2.0.CA
- Fix · CNA AMD Ryzen™ Embedded R1000 Series Processors (AMD) Fixed in EmbeddedPI-FP5 120C
- Fix · CNA AMD Ryzen™ Embedded R2000 Series Processors (AMD) Fixed in EmbeddedR2KPI-FP5_1003
- Fix · CNA AMD Ryzen™ Embedded 5000 Series Processors (AMD) Fixed in EmbAM4PI 1.0.0.5
- Fix · CNA AMD Ryzen™ Embedded V1000 Series Processors (AMD) Fixed in EmbeddedPI-FP5 120C
- Fix · CNA AMD Ryzen™ Embedded V2000 Series Processors (AMD) Fixed in EmbeddedPI-FP6_1.0.0.A
- Fix · CNA AMD Ryzen™ Embedded V3000 Series Processors (AMD) Fixed in Embedded-PI_FP7r2 1009
Timeline
- 2026-10-02 Threatist record created from CVE-2024-21947
- 2026-10-03 Alias added: GHSA-4jcj-3w4f-wvcm
References
More AMD vulnerabilities
- TI-2026-36341 AI Tensor Engine for ROCm (AITER) 0.1.14 Unauthenticated RCE via MessageQueue.recv() Pickle Deserialization CVSS 4.0CRITICAL 9.2
- TI-2023-07046 Improper privilege management in AMD Radeon™ RX 5000 Series Graphics Cards CVSS 3.1HIGH 7.8
- TI-2023-04574 GPU kernel implementations susceptible to memory leak CVSS 3.1MEDIUM 6.5
- TI-2023-07042 Information disclosure through error messages in AMD Ryzen™ 3000 Series Desktop… CVSS 3.1MEDIUM 5.5
- TI-2023-23747 PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers… CVSS 3.1MEDIUM 5.3
- TI-2022-07839 Improper access control in System Management Mode (SMM) may allow an attacker to write to… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-21947 · CVE Program
- CVE-2024-21947 · NVD
- FIRST EPSS
- GHSA-4jcj-3w4f-wvcm · GitHub Advisory Database · CC BY 4.0
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