CVE-2021-26387

State: Published
Severity: 3.9 Low
Published: Aug 13, 2024
Updated: Oct 30, 2024
Reserved: Jan 29, 2021

Description

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.

Scores

CVSS	Score	Vector	Source
3.1	3.9 Low	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L	AMD

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
AMD EPYC™ 7001 Series ProcessorsAMD	variousAffected
AMD EPYC™ 7002 Series ProcessorsAMD	variousAffected
AMD EPYC™ 7003 Series ProcessorsAMD	variousAffected
AMD EPYC™ 9004 Series ProcessorsAMD	variousAffected
AMD Ryzen™ 3000 Series Desktop ProcessorsAMD	ComboAM4PI 1.0.0.9Not affected ComboAM4 V2 PI 1.2.0.8Not affected
AMD Ryzen™ 5000 Series Desktop ProcessorsAMD	ComboAM4 V2 PI 1.2.0.8Not affected
AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ GraphicsAMD	ComboAM4v2 PI 1.2.0.6Not affected
AMD Ryzen™ 7000 Series Desktop ProcessorsAMD	ComboAM5 1.0.8.0Not affected
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ GraphicsAMD	ComboAM4PI 1.0.0.9Not affected ComboAM4v2 PI 1.2.0.8Not affected
AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ GraphicsAMD	ComboAM4v2 PI 1.2.0.5Not affected
AMD Ryzen™ Threadripper™ 3000 Series ProcessorsAMD	CastlePeakPI-SP3r3 1.0.0.7Not affected
AMD Ryzen™ Threadripper™ PRO 3000WX Series ProcessorsAMD	ChagallWSPI-sWRX8 1.0.0.2Not affected CastlePeakWSPI-sWRX8 1.0.0.9Not affected
AMD Ryzen™ Threadripper™ PRO 5000WX ProcessorsAMD	ChagallWSPI-sWRX8 1.0.0.2Not affected
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsAMD	PicassoPI-FP5 1.0.0.ENot affected
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsAMD	PollockPI-FT5 1.0.0.4Not affected
AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ GraphicsAMD	PicassoPI-FP5 1.0.0.ENot affected
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsAMD	RenoirPI-FP6 1.0.0.8Not affected
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.9Not affected
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.9Not affected
AMD Ryzen™ 6000 Series Processors with Radeon™ GraphicsAMD	RembrandtPI-FP7 1.0.0.9bNot affected
AMD Ryzen™ 7035 Series Processors with Radeon™ GraphicsAMD	RembrandtPI-FP7 1.0.0.9bNot affected
AMD Ryzen™ 5000 Series Processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.9Not affected
AMD Ryzen™ 3000 Series Processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.9Not affected
AMD EPYC™ Embedded 3000 Series ProcessorsAMD	variousAffected
AMD EPYC™ Embedded 7002 Series ProcessorsAMD	variousAffected
AMD EPYC™ Embedded 7003 Series ProcessorsAMD	variousAffected
AMD EPYC™ Embedded 9003 Series ProcessorsAMD	variousAffected
AMD Ryzen™ Embedded R1000 Series ProcessorsAMD	EmbeddedPI-FP5 1.2.0.ANot affected
AMD Ryzen™ Embedded R2000 Series ProcessorsAMD	EmbeddedR2KPI-FP5 1.0.0.2Not affected
AMD Ryzen™ Embedded 5000 Series ProcessorsAMD	EmbAM4PI 1.0.0.2Not affected
AMD Ryzen™ Embedded V1000 Series ProcessorsAMD	EmbeddedPI-FP5 1.2.0.ANot affected
AMD Ryzen™ Embedded V2000 Series ProcessorsAMD	EmbeddedPI-FP6 1.0.0.6Not affected
AMD Ryzen™ Embedded V3000 Series ProcessorsAMD	EmbeddedPI-FP7r2 1.0.0.9Not affected

References

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