What’s Vulnerable › Vulnerabilities
CVE-2021-26383
- Severity: high (CVSS 7.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-09-06 · updated 2026-06-17
- Weakness: CWE-787
Description
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 Instinct™ MI210: all versions
- AMD Instinct™ MI250: all versions
- AMD Radeon™ PRO V520 Graphics Products: all versions
- AMD Radeon™ PRO V620 Graphics Products: all versions
- AMD Radeon™ PRO W5000 Series Graphics Products: all versions
- AMD Radeon™ PRO W6000 Series Graphics Products: all versions
- AMD Radeon™ RX 5000 Series Graphics Products: all versions
- AMD Radeon™ RX 6000 Series Graphics Products: all versions
- AMD Ryzen™ 4000 Series Desktop Processors: all versions
- AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics: all versions
- AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics: all versions
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics: all versions
- AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics: all versions
- AMD Ryzen™ Embedded V2000 Series Processors: all versions
References
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html
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