What’s Vulnerable › Vulnerabilities
CVE-2021-26377
- Severity: medium (CVSS 4.1 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-190
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.
Affected products
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics: all versions
- AMD Radeon™ Instinct™ MI25 Graphics Products: 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™ 3000 Series Desktop Processors: 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: all versions
- AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics: all versions
- AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics: all versions
- AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics: all versions
- AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics: all versions
- AMD Ryzen™ Embedded 5000 Series Processors: all versions
- AMD Ryzen™ Embedded R1000 Series Processors: all versions
- AMD Ryzen™ Embedded R2000 Series Processors: all versions
- AMD Ryzen™ Embedded V1000 Series Processors: all versions
- AMD Ryzen™ Embedded V2000 Series Processors: all versions
- AMD Ryzen™ Embedded V3000 Series Processors: all versions
- AMD Ryzen™ Threadripper™ 3000 Series Processors: all versions
- AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors: all versions
- AMD Ryzen™ Threadripper™ PRO 5000 WX-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
Get alerted when CVE-2021-26377 or the next vulnerability affects your stack