CVE-2021-26381: AMD Athlon 3000 Series Mobile Processors With Radeon Graphics

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.

Affected products

• AMD AMD Athlon 3000 Series Mobile Processors With Radeon Graphics
• AMD AMD Radeon Pro v520
• AMD AMD Radeon Pro v620
• AMD AMD Radeon Pro w5000 Series Graphics Products
• AMD AMD Radeon Pro w6000 Series Graphics Products
• AMD AMD Radeon Rx 5000 Series Graphics Products
• AMD AMD Radeon Rx 6000 Series Graphics Products
• AMD AMD Ryzen 3000 Series Desktop Processors
• AMD AMD Ryzen 4000 Series Desktop Processors
• AMD AMD Ryzen 4000 Series Mobile Processors With Radeon Graphics
• AMD AMD Ryzen 5000 Series Desktop Processors
• AMD AMD Ryzen 5000 Series Desktop Processors With Radeon Graphics
• AMD AMD Ryzen 5000 Series Mobile Processors With Radeon Graphics
• AMD AMD Ryzen Embedded 5000 Series Processors
• AMD AMD Ryzen Embedded r1000 Series Processors
• AMD AMD Ryzen Embedded r2000 Series Processors
• AMD AMD Ryzen Embedded v1000 Series Processors Formerly Codenamed Picasso
• AMD AMD Ryzen Embedded v1000 Series Processors Formerly Codenamed Raven Ridge
• AMD AMD Ryzen Embedded v2000 Series Processors
• AMD AMD Ryzen Embedded v3000 Series Processors
• AMD AMD Ryzen Threadripper Pro 3000 Wx-Series Processors
• AMD AMD Ryzen Threadripper Pro 5000 Wx-Series Processors

Published 2026-02-10. Last modified 2026-06-17.