What’s Vulnerable › Vulnerabilities

CVE-2023-31343

• Severity: high (CVSS 7.5 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: 2025-02-11 · updated 2026-06-17
• Weakness: CWE-1220

Description

Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.

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 EPYC™ 7003 Processors: all versions
• AMD EPYC™ 9004 Processors: all versions
• AMD EPYC™ Embedded 7003: all versions
• AMD Instinct™ MI300A: all versions
• AMD Ryzen™ 3000 Series Desktop Processors: all versions
• AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics: all versions
• AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics: all versions
• AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics: all versions
• AMD Ryzen™ 5000 Series Desktop Processors: all versions
• AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics: all versions
• AMD Ryzen™ 7000 Series Desktop Processors: all versions
• AMD Ryzen™ 7000 Series Mobile Processors: all versions
• AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics: all versions
• AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics: all versions
• AMD Ryzen™ Embedded 5000: all versions
• AMD Ryzen™ Embedded 7000: all versions
• AMD Ryzen™ Embedded R2000: "EmbeddedR2KPI-FP5 1.0.0.3"
• AMD Ryzen™ Embedded V2000: all versions
• AMD Ryzen™ Embedded V3000: all versions
• AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors: all versions

References

• https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html
• https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4008.html
• https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html

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