Out-of-bounds read in AMD EPYC™ 7002 Series Processors
Priority LOW 18CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory read and write, potentially resulting in memory corruption or denial of service.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00181 7th percentileScored 2026-11-07
Fix Fixed AMD EPYC™ 7002 Series Processors (AMD): RomePI 1.0.0.EAMD EPYC™ 7003 Series Processors (AMD): MilanPI 1.0.0.9+12 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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™ 7002 Series Processors | — | RomePI 1.0.0.E | Patch available | CNA |
| AMD | AMD EPYC™ 7003 Series Processors | — | MilanPI 1.0.0.9 | Patch available | CNA |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors | — | ComboAM4V2 1.2.0.A | Patch available | CNA |
| AMD | AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics | ComboAM4V2 1.2.0.A and later | — | No fix listed | CNA |
| AMD | AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ Threadripper™ 3000 Series Processors | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors | — | ChagallWSPI-sWRX8 1.0.0.6 | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000WX Processors | — | ChagallWSPI-sWRX8 1.0.0.6 | Patch available | CNA |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | various and later | — | No fix listed | CNA |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | — | CezannePI-FP6 1.0.0.E | Patch available | CNA |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | — | MendocinoPI-FT6 1.0.0.3 | Patch available | CNA |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics | — | RembrandtPI-FP7 1.0.0.7 | Patch available | CNA |
| AMD | AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics | — | RembrandtPI-FP7 1.0.0.7 | Patch available | CNA |
| AMD | AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics | — | CezannePI-FP6 1.0.0.E | Patch available | CNA |
| AMD | AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics | — | CezannePI-FP6 1.0.0.E | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 7002 Series Processors | — | EmbRomePI-SP3 1.0.0.8 | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | — | EmbMilanPI-SP3 1.0.0.5 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded R1000 Series Processors | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ Embedded R2000 Series Processors | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ Embedded 5000 Series Processors | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ Embedded V1000 Series Processors | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ Embedded V2000 Series Processors | various and later | — | No fix listed | CNA |
| AMD | AMD Ryzen™ Embedded V3000 Series Processors | — | EmbeddedPI-FP7r2 1.0.0.4 | Patch available | CNA |
- AMD EPYC™ 7002 Series Processors VendorAMD Affected — Fixed in RomePI 1.0.0.E Patch available CNA
- AMD EPYC™ 7003 Series Processors VendorAMD Affected — Fixed in MilanPI 1.0.0.9 Patch available CNA
- AMD Ryzen™ 3000 Series Desktop Processors VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ 5000 Series Desktop Processors VendorAMD Affected — Fixed in ComboAM4V2 1.2.0.A Patch available CNA
- AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics VendorAMD Affected ComboAM4V2 1.2.0.A and later Fixed in — No fix listed CNA
- AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ Threadripper™ 3000 Series Processors VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors VendorAMD Affected — Fixed in ChagallWSPI-sWRX8 1.0.0.6 Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 5000WX Processors VendorAMD Affected — Fixed in ChagallWSPI-sWRX8 1.0.0.6 Patch available CNA
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in CezannePI-FP6 1.0.0.E Patch available CNA
- AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in MendocinoPI-FT6 1.0.0.3 Patch available CNA
- AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in RembrandtPI-FP7 1.0.0.7 Patch available CNA
- AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in RembrandtPI-FP7 1.0.0.7 Patch available CNA
- AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in CezannePI-FP6 1.0.0.E Patch available CNA
- AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics VendorAMD Affected — Fixed in CezannePI-FP6 1.0.0.E Patch available CNA
- AMD EPYC™ Embedded 7002 Series Processors VendorAMD Affected — Fixed in EmbRomePI-SP3 1.0.0.8 Patch available CNA
- AMD EPYC™ Embedded 7003 Series Processors VendorAMD Affected — Fixed in EmbMilanPI-SP3 1.0.0.5 Patch available CNA
- AMD Ryzen™ Embedded R1000 Series Processors VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ Embedded R2000 Series Processors VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ Embedded 5000 Series Processors VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ Embedded V1000 Series Processors VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ Embedded V2000 Series Processors VendorAMD Affected various and later Fixed in — No fix listed CNA
- AMD Ryzen™ Embedded V3000 Series Processors VendorAMD Affected — Fixed in EmbeddedPI-FP7r2 1.0.0.4 Patch available CNA
Remediation
- Fix · CNA AMD EPYC™ 7002 Series Processors (AMD) Fixed in RomePI 1.0.0.E
- Fix · CNA AMD EPYC™ 7003 Series Processors (AMD) Fixed in MilanPI 1.0.0.9
- Fix · CNA AMD Ryzen™ 5000 Series Desktop Processors (AMD) Fixed in ComboAM4V2 1.2.0.A
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors (AMD) Fixed in ChagallWSPI-sWRX8 1.0.0.6
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 5000WX Processors (AMD) Fixed in ChagallWSPI-sWRX8 1.0.0.6
- Fix · CNA AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in CezannePI-FP6 1.0.0.E
- Fix · CNA AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics (AMD) Fixed in MendocinoPI-FT6 1.0.0.3
- Fix · CNA AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics (AMD) Fixed in RembrandtPI-FP7 1.0.0.7
- Fix · CNA AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics (AMD) Fixed in RembrandtPI-FP7 1.0.0.7
- Fix · CNA AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics (AMD) Fixed in CezannePI-FP6 1.0.0.E
- Fix · CNA AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics (AMD) Fixed in CezannePI-FP6 1.0.0.E
- Fix · CNA AMD EPYC™ Embedded 7002 Series Processors (AMD) Fixed in EmbRomePI-SP3 1.0.0.8
- Fix · CNA AMD EPYC™ Embedded 7003 Series Processors (AMD) Fixed in EmbMilanPI-SP3 1.0.0.5
- Fix · CNA AMD Ryzen™ Embedded V3000 Series Processors (AMD) Fixed in EmbeddedPI-FP7r2 1.0.0.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics and 25 more products — amd.com/en/resources/product-security/bulletin/amd-sb-3003.…
8 records Highest priority Priority MEDIUM 1 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2023-07040 Improper re-initialization of IOMMU during the DRTM event may permit an untrusted…Priority MEDIUM 49
- TI-2021-08171 Out-of-bounds write in AMD EPYC™ 7001 Series ProcessorsPriority LOW 37
- TI-2023-07029 Time-of-check time-of-use race condition in AMD EPYC™ 7001 ProcessorsPriority LOW 34
Timeline
- 2026-10-02 Threatist record created from CVE-2021-46772
- 2026-10-03 Alias added: GHSA-mgjx-cq94-rwcv
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-2021-46772 · CVE Program
- CVE-2021-46772 · NVD
- FIRST EPSS
- GHSA-mgjx-cq94-rwcv · GitHub Advisory Database · CC BY 4.0
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