Vulnerability Intelligence Report
CVE-2024-21947
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.
No Active Exploit Signals
CVSS Base Score
7.5
HIGH
Exploitability:0.9
Impact Score:6.1
EPSS Probability:0.13%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-1220 ↗CWE-1220 Insufficient Granularity of Access Control
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| AMD | AMD Ryzen™ Threadripper™ 3000 Processors | CastlePeakPI-SP3r3 1.0.0.C (unaffected) |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors | ChagallWSPI-sWRX8-1.0.0.7 (unaffected) |
| AMD | AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics | CezannePI-FP6_1.0.1.0 (unaffected) |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors | CastlePeakWSPI-sWRX8 1.0.0.E (unaffected), ChagallWSPI-sWRX8-1.0.0.7 (unaffected) |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | ComboAM4 1.0.0.B (unaffected), ComboAM4v2PI_1.2.0.CA (unaffected) |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | Picasso-FP5 1.0.1.1 (unaffected) |
| AMD | AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics | Picasso-FP5 1.0.1.1 (unaffected) |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors | ComboAM4v2PI_1.2.0.CA (unaffected) |
| AMD | AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics | ComboAM4 1.0.0.B (unaffected) |
| AMD | AMD Ryzen™ 8000 Series Desktop Processors | ComboAM5 1.2.0.0 (unaffected) |
| AMD | AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics | PhoenixPI-FP8-FP7_1.1.0.2 (unaffected) |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | Renoir-FP6 1.0.0.D (unaffected) |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics | Rembrandt-FP7 1.0.0.A (unaffected) |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | ComboAM5 1.2.0.0 (unaffected) |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | MendocinoPI-FT6_1.0.0.6 (unaffected) |
| AMD | AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics | DragonRangeFL1 1.0.0.3d (unaffected) |
| AMD | AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics | Rembrandt-FP7 1.0.0.A (unaffected) |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | CezannePI-FP6_1.0.1.0 (unaffected) |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics | ComboAM4v2PI_1.2.0.CA (unaffected) |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors | ComboAM4v2PI_1.2.0.CA (unaffected) |
| AMD | AMD Ryzen™ Embedded R1000 Series Processors | EmbeddedPI-FP5 120C (unaffected) |
| AMD | AMD Ryzen™ Embedded R2000 Series Processors | EmbeddedR2KPI-FP5_1003 (unaffected) |
| AMD | AMD Ryzen™ Embedded 5000 Series Processors | EmbAM4PI 1.0.0.5 (unaffected) |
| AMD | AMD Ryzen™ Embedded V1000 Series Processors | EmbeddedPI-FP5 120C (unaffected) |
| AMD | AMD Ryzen™ Embedded V2000 Series Processors | EmbeddedPI-FP6_1.0.0.A (unaffected) |
| AMD | AMD Ryzen™ Embedded V3000 Series Processors | Embedded-PI_FP7r2 1009 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.128%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Advanced Micro Devices Inc. · Vendor · USA |
| Reserved | 2024-01-03T16:43:21 |
| Published | 2025-09-06T17:10:47 |
| Patch Date | 2025-09-06 |
| Last Updated | 2026-02-26T17:49:10 |
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