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Status published
High
CVE-2024-21947
Improper input validation in the system management mode (SMM) could...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Reported through AMD Bug Bounty Program
References
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Affected Vendor
Affected Software
AMD Ryzen™ Threadripper™ 3000 Processors, AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors, AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors, AMD Ryzen™ 3000 Series Desktop Processors, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Desktop Processors, AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ 8000 Series Desktop Processors, AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics, AMD Ryzen™ 7000 Series Desktop Processors, AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics, AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ 4000 Series Desktop Processors, AMD Ryzen™ Embedded R1000 Series Processors, AMD Ryzen™ Embedded R2000 Series Processors, AMD Ryzen™ Embedded 5000 Series Processors, AMD Ryzen™ Embedded V1000 Series Processors, AMD Ryzen™ Embedded V2000 Series Processors, AMD Ryzen™ Embedded V3000 Series Processors
Vulnerable Versions:
CastlePeakPI-SP3r3 1.0.0.C, ChagallWSPI-sWRX8-1.0.0.7, CezannePI-FP6_1.0.1.0, CastlePeakWSPI-sWRX8 1.0.0.E, ComboAM4 1.0.0.B, ComboAM4v2PI_1.2.0.CA, Picasso-FP5 1.0.1.1, ComboAM5 1.2.0.0, PhoenixPI-FP8-FP7_1.1.0.2, Renoir-FP6 1.0.0.D, Rembrandt-FP7 1.0.0.A, MendocinoPI-FT6_1.0.0.6, DragonRangeFL1 1.0.0.3d, EmbeddedPI-FP5 120C, EmbeddedR2KPI-FP5_1003, EmbAM4PI 1.0.0.5, EmbeddedPI-FP6_1.0.0.A, Embedded-PI_FP7r2 1009
Timeline
Official Publish:
September 6th, 2025
Last Modified:
February 26th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.