CVE-2024-21947

State: Published
Severity: 7.5 High
Published: Sep 6, 2025
Updated: Feb 26, 2026
Reserved: Jan 3, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H	AMD

Weaknesses

CWE-1220 Insufficient Granularity of Access Control

Affected Products

Product	Versions
AMD Ryzen™ Threadripper™ 3000 ProcessorsAMD	CastlePeakPI-SP3r3 1.0.0.CNot affected
AMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsAMD	ChagallWSPI-sWRX8-1.0.0.7Not affected
AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ GraphicsAMD	CezannePI-FP6_1.0.1.0Not affected
AMD Ryzen™ Threadripper™ PRO 3000 WX-Series ProcessorsAMD	CastlePeakWSPI-sWRX8 1.0.0.ENot affected ChagallWSPI-sWRX8-1.0.0.7Not affected
AMD Ryzen™ 3000 Series Desktop ProcessorsAMD	ComboAM4 1.0.0.BNot affected ComboAM4v2PI_1.2.0.CANot affected
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsAMD	Picasso-FP5 1.0.1.1Not affected
AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ GraphicsAMD	Picasso-FP5 1.0.1.1Not affected
AMD Ryzen™ 5000 Series Desktop ProcessorsAMD	ComboAM4v2PI_1.2.0.CANot affected
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ GraphicsAMD	ComboAM4 1.0.0.BNot affected
AMD Ryzen™ 8000 Series Desktop ProcessorsAMD	ComboAM5 1.2.0.0Not affected
AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ GraphicsAMD	PhoenixPI-FP8-FP7_1.1.0.2Not affected
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsAMD	Renoir-FP6 1.0.0.DNot affected
AMD Ryzen™ 6000 Series Processors with Radeon™ GraphicsAMD	Rembrandt-FP7 1.0.0.ANot affected
AMD Ryzen™ 7000 Series Desktop ProcessorsAMD	ComboAM5 1.2.0.0Not affected
AMD Ryzen™ 7020 Series Processors with Radeon™ GraphicsAMD	MendocinoPI-FT6_1.0.0.6Not affected
AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ GraphicsAMD	DragonRangeFL1 1.0.0.3dNot affected
AMD Ryzen™ 7035 Series Processors with Radeon™ GraphicsAMD	Rembrandt-FP7 1.0.0.ANot affected
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsAMD	CezannePI-FP6_1.0.1.0Not affected
AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsAMD	ComboAM4v2PI_1.2.0.CANot affected
AMD Ryzen™ 4000 Series Desktop ProcessorsAMD	ComboAM4v2PI_1.2.0.CANot affected
AMD Ryzen™ Embedded R1000 Series ProcessorsAMD	EmbeddedPI-FP5 120CNot affected
AMD Ryzen™ Embedded R2000 Series ProcessorsAMD	EmbeddedR2KPI-FP5_1003Not affected
AMD Ryzen™ Embedded 5000 Series ProcessorsAMD	EmbAM4PI 1.0.0.5Not affected
AMD Ryzen™ Embedded V1000 Series ProcessorsAMD	EmbeddedPI-FP5 120CNot affected
AMD Ryzen™ Embedded V2000 Series ProcessorsAMD	EmbeddedPI-FP6_1.0.0.ANot affected
AMD Ryzen™ Embedded V3000 Series ProcessorsAMD	Embedded-PI_FP7r2 1009Not affected

References

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