What’s Vulnerable › Vulnerabilities

CVE-2024-21947

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% 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-1220

Description

Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.

Affected products

• AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics: all versions
• AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 3000 Series Desktop Processors: all versions
• AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics: 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 Desktop Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7000 Series Desktop Processors: all versions
• AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 8000 Series Desktop Processors: 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 Processors: all versions
• AMD Ryzen™ Threadripper™ PRO 3000 WX-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

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