CVE-2021-26377

State: Published
Severity: 4.1 Medium
Published: Sep 6, 2025
Updated: Sep 8, 2025
Reserved: Jan 29, 2021

Description

Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.

Scores

CVSS	Score	Vector	Source
3.1	4.1 Medium	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H	AMD

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
AMD Ryzen™ 5000 Series Processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.8Not affected
AMD Ryzen™ Threadripper™ 3000 Series ProcessorsAMD	CastlePeakPI-SP3r3 1.0.0.7Not affected
AMD Ryzen™ Threadripper™ PRO 3000WX Series ProcessorsAMD	CastlePeakWSPI-sWRX8 1.0.0.9Not affected
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.8Not affected
AMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsAMD	ChagallWSPI-sWRX8 1.0.0.2Not affected
AMD Ryzen™ 5000 Series Desktop ProcessorsAMD	ComboAM4v2 PI 1.2.0.5Not affected
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsAMD	PicassoPI-FP5 1.0.0.ENot affected PollockPI-FT5 1.0.0.4Not affected
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.8Not affected
AMD Ryzen™ 3000 Series Desktop ProcessorsAMD	ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8Not affected
AMD Ryzen™ 7030 Series Mobile processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.8Not affected
AMD Ryzen™ 4000 Series Desktop ProcessorsAMD	ComboAM4v2 PI 1.2.0.5Not affected
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsAMD	RenoirPI-FP6 1.0.0.8Not affected
AMD Ryzen™ 5000 Series Desktop ProcessorsAMD	ComboAM4 V2 PI 1.2.0.8Not affected
AMD Ryzen™ 6000 Series Processors with Radeon™ GraphicsAMD	RembrandtPI-FP7_0.0.8.0 RC1Not affected
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_1000Not affected
AMD Radeon™ RX 5000 Series Graphics ProductsAMD	AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)Not affected AMD Software: PRO Edition 24.Q2 (24.10.20)Not affected
AMD Radeon™ PRO W5000 Series Graphics ProductsAMD	AMD Software: PRO Edition 24.Q2 (24.10.20)Not affected
AMD Radeon™ RX 6000 Series Graphics ProductsAMD	AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)Not affected AMD Software: PRO Edition 24.Q2 (24.10.20)Not affected
AMD Radeon™ PRO W6000 Series Graphics ProductsAMD	AMD Software: PRO Edition 24.Q2 (24.10.20)Not affected
AMD Radeon™ Instinct™ MI25 Graphics ProductsAMD	Contact your AMD Customer Engineering representativeNot affected
AMD Radeon™ PRO V520 Graphics ProductsAMD	Contact your AMD Customer Engineering representativeNot affected
AMD Radeon™ PRO V620 Graphics ProductsAMD	Contact your AMD Customer Engineering representativeNot affected

References

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