CVE-2021-26383: AMD Instinct MI210

High severity, CVSS 7.9. EPSS: 0.2% chance of exploitation in the next 30 days.

Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds memory access, potentially resulting in loss of integrity or availability.

Affected products

• AMD AMD Instinct MI210
• AMD AMD Instinct MI250
• AMD AMD Radeon Pro v520 Graphics Products
• AMD AMD Radeon Pro v620 Graphics Products
• 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 4000 Series Desktop Processors
• AMD AMD Ryzen 4000 Series Mobile Processors With Radeon Graphics
• AMD AMD Ryzen 5000 Series Desktop Processors With Radeon Graphics
• AMD AMD Ryzen 5000 Series Mobile Processors With Radeon Graphics
• AMD AMD Ryzen 7030 Series Mobile Processors With Radeon Graphics
• AMD AMD Ryzen Embedded v2000 Series Processors

Published 2025-09-06. Last modified 2026-06-17.