Improper input validation in the SMM handler may allow a privileged attacker to overwrite…
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 SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0018 7th percentileScored 2026-11-07
Fix Fixed AMD EPYC™ 7003 Processors (AMD): MilanPI 1.0.0.CAMD EPYC™ 9004 Processors (AMD): GenoaPI 1.0.0.B+26 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 EPYC™ 7003 Processors | — | MilanPI 1.0.0.C | Patch available | CNA |
| AMD | AMD EPYC™ 9004 Processors | — | GenoaPI 1.0.0.B | Patch available | CNA |
| AMD | AMD Instinct™ MI300A | — | MI300API 1.0.0.5 | Patch available | CNA |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | — | ComboAM4v2PI 1.2.0.C | Patch available | CNA |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors | — | ComboAM4v2PI 1.2.0.C | Patch available | CNA |
| AMD | AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics | — | ComboAM4v2PI 1.2.0.C | Patch available | CNA |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | — | ComboAM5 1.1.0.2 | Patch available | CNA |
| AMD | AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics | — | ComboAM4v2PI 1.2.0.C | Patch available | CNA |
| AMD | AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics | — | ComboAM4v2PI 1.2.0.C | Patch available | CNA |
| AMD | AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics | — | ComboAM5 1.1.0.2 | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors | — | ChagallWSPI-sWRX8 1.0.0.7 | Patch available | CNA |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | — | Pollock-FT5 1.0.0.7 | Patch available | CNA |
| AMD | AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics | — | Picasso-FP5 1.0.1.1 | Patch available | CNA |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | — | RenoirPI-FP6 1.0.0.D | Patch available | CNA |
| AMD | AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics | — | Cezanne-FP6 1.0.1.0 | Patch available | CNA |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | — | MendocinoPI-FT6 1.0.0.6 | Patch available | CNA |
| AMD | AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics | — | Rembrandt-FP7 1.0.0.A | Patch available | CNA |
| AMD | AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics | — | Rembrandt-FP7 1.0.0.A | Patch available | CNA |
| AMD | AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics | — | PhoenixPI-FP8-FP7 1.1.0.2 | Patch available | CNA |
| AMD | AMD Ryzen™ 7000 Series Mobile Processors | — | DragonRangeFL1PI 1.0.0.3C | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 7003 | — | EmbMilanPI-SP3 1.0.0.8 | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 9004 | — | EmbGenoaPI-SP5 1.0.0.6 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded R1000 | — | EmbeddedPI-FP5 1.2.0.C | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded R2000 | — | EmbeddedR2KPI-FP5 1.0.0.3 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded 5000 | — | EmbAM4PI 1.0.0.5 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded 7000 | — | EmbeddedAM5PI 1.0.0.1 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded V2000 | — | EmbeddedPI-FP6 1.0.0.9 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded V3000 | — | Embedded-PI FP7r2 1.0.0.9 | Patch available | CNA |
- AMD EPYC™ 7003 Processors VendorAMD Affected — Fixed in MilanPI 1.0.0.C Patch available CNA
- AMD EPYC™ 9004 Processors VendorAMD Affected — Fixed in GenoaPI 1.0.0.B Patch available CNA
- AMD Instinct™ MI300A VendorAMD Affected — Fixed in MI300API 1.0.0.5 Patch available CNA
- AMD Ryzen™ 3000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM4v2PI 1.2.0.C Patch available CNA
- AMD Ryzen™ 5000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM4v2PI 1.2.0.C Patch available CNA
- AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics VendorAMD Affected — Fixed in ComboAM4v2PI 1.2.0.C Patch available CNA
- AMD Ryzen™ 7000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM5 1.1.0.2 Patch available CNA
- AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics VendorAMD Affected — Fixed in ComboAM4v2PI 1.2.0.C Patch available CNA
- AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics VendorAMD Affected — Fixed in ComboAM4v2PI 1.2.0.C Patch available CNA
- AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics VendorAMD Affected — Fixed in ComboAM5 1.1.0.2 Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors VendorAMD Affected — Fixed in ChagallWSPI-sWRX8 1.0.0.7 Patch available CNA
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in Pollock-FT5 1.0.0.7 Patch available CNA
- AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics VendorAMD Affected — Fixed in Picasso-FP5 1.0.1.1 Patch available CNA
- AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in RenoirPI-FP6 1.0.0.D Patch available CNA
- AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in Cezanne-FP6 1.0.1.0 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™ 6000 Series Processor with Radeon™ Graphics VendorAMD Affected — Fixed in Rembrandt-FP7 1.0.0.A Patch available CNA
- AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics VendorAMD Affected — Fixed in Rembrandt-FP7 1.0.0.A Patch available CNA
- AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in PhoenixPI-FP8-FP7 1.1.0.2 Patch available CNA
- AMD Ryzen™ 7000 Series Mobile Processors VendorAMD Affected — Fixed in DragonRangeFL1PI 1.0.0.3C Patch available CNA
- AMD EPYC™ Embedded 7003 VendorAMD Affected — Fixed in EmbMilanPI-SP3 1.0.0.8 Patch available CNA
- AMD EPYC™ Embedded 9004 VendorAMD Affected — Fixed in EmbGenoaPI-SP5 1.0.0.6 Patch available CNA
- AMD Ryzen™ Embedded R1000 VendorAMD Affected — Fixed in EmbeddedPI-FP5 1.2.0.C Patch available CNA
- AMD Ryzen™ Embedded R2000 VendorAMD Affected — Fixed in EmbeddedR2KPI-FP5 1.0.0.3 Patch available CNA
- AMD Ryzen™ Embedded 5000 VendorAMD Affected — Fixed in EmbAM4PI 1.0.0.5 Patch available CNA
- AMD Ryzen™ Embedded 7000 VendorAMD Affected — Fixed in EmbeddedAM5PI 1.0.0.1 Patch available CNA
- AMD Ryzen™ Embedded V2000 VendorAMD Affected — Fixed in EmbeddedPI-FP6 1.0.0.9 Patch available CNA
- AMD Ryzen™ Embedded V3000 VendorAMD Affected — Fixed in Embedded-PI FP7r2 1.0.0.9 Patch available CNA
Remediation
- Fix · CNA AMD EPYC™ 7003 Processors (AMD) Fixed in MilanPI 1.0.0.C
- Fix · CNA AMD EPYC™ 9004 Processors (AMD) Fixed in GenoaPI 1.0.0.B
- Fix · CNA AMD Instinct™ MI300A (AMD) Fixed in MI300API 1.0.0.5
- Fix · CNA AMD Ryzen™ 3000 Series Desktop Processors (AMD) Fixed in ComboAM4v2PI 1.2.0.C
- Fix · CNA AMD Ryzen™ 5000 Series Desktop Processors (AMD) Fixed in ComboAM4v2PI 1.2.0.C
- Fix · CNA AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics (AMD) Fixed in ComboAM4v2PI 1.2.0.C
- Fix · CNA AMD Ryzen™ 7000 Series Desktop Processors (AMD) Fixed in ComboAM5 1.1.0.2
- Fix · CNA AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics (AMD) Fixed in ComboAM4v2PI 1.2.0.C
- Fix · CNA AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics (AMD) Fixed in ComboAM4v2PI 1.2.0.C
- Fix · CNA AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics (AMD) Fixed in ComboAM5 1.1.0.2
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors (AMD) Fixed in ChagallWSPI-sWRX8 1.0.0.7
- Fix · CNA AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in Pollock-FT5 1.0.0.7
- Fix · CNA AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics (AMD) Fixed in Picasso-FP5 1.0.1.1
- Fix · CNA AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in RenoirPI-FP6 1.0.0.D
- Fix · CNA AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics (AMD) Fixed in Cezanne-FP6 1.0.1.0
- Fix · CNA AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics (AMD) Fixed in MendocinoPI-FT6 1.0.0.6
- Fix · CNA AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics (AMD) Fixed in Rembrandt-FP7 1.0.0.A
- Fix · CNA AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics (AMD) Fixed in Rembrandt-FP7 1.0.0.A
- Fix · CNA AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics (AMD) Fixed in PhoenixPI-FP8-FP7 1.1.0.2
- Fix · CNA AMD Ryzen™ 7000 Series Mobile Processors (AMD) Fixed in DragonRangeFL1PI 1.0.0.3C
- Fix · CNA AMD EPYC™ Embedded 7003 (AMD) Fixed in EmbMilanPI-SP3 1.0.0.8
- Fix · CNA AMD EPYC™ Embedded 9004 (AMD) Fixed in EmbGenoaPI-SP5 1.0.0.6
- Fix · CNA AMD Ryzen™ Embedded R1000 (AMD) Fixed in EmbeddedPI-FP5 1.2.0.C
- Fix · CNA AMD Ryzen™ Embedded R2000 (AMD) Fixed in EmbeddedR2KPI-FP5 1.0.0.3
- Fix · CNA AMD Ryzen™ Embedded 5000 (AMD) Fixed in EmbAM4PI 1.0.0.5
- Fix · CNA AMD Ryzen™ Embedded 7000 (AMD) Fixed in EmbeddedAM5PI 1.0.0.1
- Fix · CNA AMD Ryzen™ Embedded V2000 (AMD) Fixed in EmbeddedPI-FP6 1.0.0.9
- Fix · CNA AMD Ryzen™ Embedded V3000 (AMD) Fixed in Embedded-PI FP7r2 1.0.0.9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31342
- 2026-10-03 Alias added: GHSA-4mr4-7v9j-jvf7
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-2023-31342 · CVE Program
- CVE-2023-31342 · NVD
- FIRST EPSS
- GHSA-4mr4-7v9j-jvf7 · GitHub Advisory Database · CC BY 4.0
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