Improper access control in AMD EPYC™ 9004 Series Processors
Priority LOW 30CWE-284Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest memory confidentiality and integrity.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00163 5th percentileScored 2026-11-07
Fix Fixed AMD EPYC™ 9004 Series Processors (AMD): GenoaPI 1.0.0.GAMD EPYC™ 7003 Series Processors (AMD): MilanPI 1.0.0.H+7 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™ 9004 Series Processors | — | GenoaPI 1.0.0.G | Patch available | CNA |
| AMD | AMD EPYC™ 7003 Series Processors | — | MilanPI 1.0.0.H | Patch available | CNA |
| AMD | AMD EPYC™ 9005 Series Processors | — | TurinPI 1.0.0.6 | Patch available | CNA |
| AMD | AMD EPYC™ 8004 Series Processors | — | GenoaPI 1.0.0.G | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | — | EmbMilanPI-SP3 v9 1.0.0.C | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") | — | EmbGenoaPI-SP5 1.0.0.B | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | — | EmbTurinPI-SP5_1.0.0.1 | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") | — | EmbGenoaPI-SP5 1.0.0.B | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | — | EmbGenoaPI-SP5 1.0.0.B | Patch available | CNA |
- AMD EPYC™ 9004 Series Processors VendorAMD Affected — Fixed in GenoaPI 1.0.0.G Patch available CNA
- AMD EPYC™ 7003 Series Processors VendorAMD Affected — Fixed in MilanPI 1.0.0.H Patch available CNA
- AMD EPYC™ 9005 Series Processors VendorAMD Affected — Fixed in TurinPI 1.0.0.6 Patch available CNA
- AMD EPYC™ 8004 Series Processors VendorAMD Affected — Fixed in GenoaPI 1.0.0.G Patch available CNA
- AMD EPYC™ Embedded 7003 Series Processors VendorAMD Affected — Fixed in EmbMilanPI-SP3 v9 1.0.0.C Patch available CNA
- AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") VendorAMD Affected — Fixed in EmbGenoaPI-SP5 1.0.0.B Patch available CNA
- AMD EPYC™ Embedded 9005 Series Processors VendorAMD Affected — Fixed in EmbTurinPI-SP5_1.0.0.1 Patch available CNA
- AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") VendorAMD Affected — Fixed in EmbGenoaPI-SP5 1.0.0.B Patch available CNA
- AMD EPYC™ Embedded 8004 Series Processors VendorAMD Affected — Fixed in EmbGenoaPI-SP5 1.0.0.B Patch available CNA
Remediation
- Fix · CNA AMD EPYC™ 9004 Series Processors (AMD) Fixed in GenoaPI 1.0.0.G
- Fix · CNA AMD EPYC™ 7003 Series Processors (AMD) Fixed in MilanPI 1.0.0.H
- Fix · CNA AMD EPYC™ 9005 Series Processors (AMD) Fixed in TurinPI 1.0.0.6
- Fix · CNA AMD EPYC™ 8004 Series Processors (AMD) Fixed in GenoaPI 1.0.0.G
- Fix · CNA AMD EPYC™ Embedded 7003 Series Processors (AMD) Fixed in EmbMilanPI-SP3 v9 1.0.0.C
- Fix · CNA AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") (AMD) Fixed in EmbGenoaPI-SP5 1.0.0.B
- Fix · CNA AMD EPYC™ Embedded 9005 Series Processors (AMD) Fixed in EmbTurinPI-SP5_1.0.0.1
- Fix · CNA AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") (AMD) Fixed in EmbGenoaPI-SP5 1.0.0.B
- Fix · CNA AMD EPYC™ Embedded 8004 Series Processors (AMD) Fixed in EmbGenoaPI-SP5 1.0.0.B
Timeline
- 2026-10-02 Threatist record created from CVE-2025-29939
- 2026-10-03 Alias added: GHSA-cfmm-jqwq-9m7g
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-2025-29939 · CVE Program
- CVE-2025-29939 · NVD
- FIRST EPSS
- GHSA-cfmm-jqwq-9m7g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences