SMM callout vulnerability within the AmdPlatformRasSspSmm driver could allow a ring 0…
Priority LOW 37CWE-250Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-250.
Summary
SMM callout vulnerability within the AmdPlatformRasSspSmm driver could allow a ring 0 attacker to modify boot services handlers, potentially resulting in arbitrary code execution.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00208 11th percentileScored 2026-11-07
Fix Fixed AMD EPYC™ 7002 Processors (AMD): Rome PI 1.0.0.KAMD Ryzen™ Threadripper™ PRO 3000WX Series Processors (AMD): ChagallWSPI-sWRX8 1.0.0.9, CastlePeakWSPI-sWRX8 1.0.0.E+3 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™ 7002 Processors | — | Rome PI 1.0.0.K | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors | — | ChagallWSPI-sWRX8 1.0.0.9 | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors | — | CastlePeakWSPI-sWRX8 1.0.0.E | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors | — | ChagallWSPI-sWRX8 1.0.0.9 | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors | — | StormPeakPI-SP6 1.1.0.0h | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors | — | StormPeakPI-SP6 1.0.0.1j | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 7002 Processors | — | EmbRomePI-SP3 1.0.0.D | Patch available | CNA |
- AMD EPYC™ 7002 Processors VendorAMD Affected — Fixed in Rome PI 1.0.0.K Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors VendorAMD Affected — Fixed in ChagallWSPI-sWRX8 1.0.0.9 Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors VendorAMD Affected — Fixed in CastlePeakWSPI-sWRX8 1.0.0.E Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors VendorAMD Affected — Fixed in ChagallWSPI-sWRX8 1.0.0.9 Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors VendorAMD Affected — Fixed in StormPeakPI-SP6 1.1.0.0h Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors VendorAMD Affected — Fixed in StormPeakPI-SP6 1.0.0.1j Patch available CNA
- AMD EPYC™ Embedded 7002 Processors VendorAMD Affected — Fixed in EmbRomePI-SP3 1.0.0.D Patch available CNA
Remediation
- Fix · CNA AMD EPYC™ 7002 Processors (AMD) Fixed in Rome PI 1.0.0.K
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors (AMD) Fixed in ChagallWSPI-sWRX8 1.0.0.9
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors (AMD) Fixed in CastlePeakWSPI-sWRX8 1.0.0.E
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors (AMD) Fixed in ChagallWSPI-sWRX8 1.0.0.9
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors (AMD) Fixed in StormPeakPI-SP6 1.1.0.0h
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors (AMD) Fixed in StormPeakPI-SP6 1.0.0.1j
- Fix · CNA AMD EPYC™ Embedded 7002 Processors (AMD) Fixed in EmbRomePI-SP3 1.0.0.D
Timeline
- 2026-10-02 Threatist record created from CVE-2024-21924
- 2026-10-03 Alias added: GHSA-g496-2h33-mpvw
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- 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-2024-21924 · CVE Program
- CVE-2024-21924 · NVD
- FIRST EPSS
- GHSA-g496-2h33-mpvw · GitHub Advisory Database · CC BY 4.0
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