CVE-2021-26380 - CVE House
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Status published Low CVE-2021-26380

A compromised Trusted OS (TOS) driver could issue a malformed...

Vulnerability Description

A compromised Trusted OS (TOS) driver could issue a malformed call that could potentially allow memory access outside the intended range resulting in loss of integrity.

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

No credits recorded in the NVD database.

Affected Vendor

Affected Software

AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors, AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 3000 Series Desktop Processors, AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 4000 Series Desktop Processors, AMD Ryzen™ 5000 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 (formerly codenamed "Raven Ridge"), AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso"), AMD Ryzen™ Embedded V2000 Series Processors, AMD Ryzen™ Embedded V3000 Series Processors, AMD Radeon™ RX 5000 Series Graphics Products, AMD Radeon™ PRO W5000 Series Graphics Products, AMD Radeon™ RX 6000 Series Graphics Products, AMD Radeon™ RX Vega Series Graphics Cards, AMD Radeon™ VII, AMD Radeon™ PRO W6000 Series Graphics Products, AMD Radeon™ PRO WX 8000/9000 Series Graphics Cards, AMD Radeon™ PRO VII, AMD Radeon™ Instinct™ MI25, AMD Radeon™ PRO V520, AMD Radeon™ PRO V620
Vulnerable Versions:
ComboAM4v2 PI 1.2.0.5, ChagallWSPI-sWRX8 1.0.0.2, CezannePI-FP6 1.0.0.6, PicassoPI-FP5 1.0.0.E, ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8, ComboAM4v2 PI 1.2.0.8, RenoirPI-FP6 1.0.0.7, ComboAM4 V2 PI 1.2.0.8, EmbeddedPI-FP5_1.2.0.A, EmbeddedR2KPI-FP5_1.0.0.2, EmbAM4PI 1.0.0.2, 120A, EmbeddedPI-FP6_1.0.0.6, EmbeddedPI-FP7r2_0080, AMD Software: Adrenalin Edition 25.10.2 (25.10.33.02 RDNA1/RDNA2), AMD Software: PRO Edition 25.Q3.1 (25.10.32 RDNA), AMD Software: Adrenalin Edition 25.8.1 (23.19.23.11 pre-RDNA), AMD Software: PRO Edition 25.Q3 (23.19.23.11 pre-RDNA), Contact your AMD Customer Engineering representative

Timeline

Official Publish: May 15th, 2026
Last Modified: May 15th, 2026
Added to House: July 21st, 2026

CVSS Vectors

Weaknesses (CWE)