CVE-2024-36347

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious microcode, potentially resulting in loss of integrity of x86 instruction execution, loss of confidentiality and integrity of data in x86 CPU privileged context and compromise of SMM execution environment.

Score

CVSS 3.1 6.4 Medium

Status

Deferred - psirt@amd.com

Published

2025-06-27

Last modified

2026-02-26

Weaknesses

CWE-347

Affected products

• Amd Athlon 3000 Series Desktop Processors With Radeon Graphics (Amd)
• Amd Athlon 3000 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Epyc 4004 Series (Amd)
• Amd Epyc 7001 Series (Amd)
• Amd Epyc 7002 Series (Amd)
• Amd Epyc 7003 Series (Amd)
• Amd Epyc 9004 Series (Amd)
• Amd Epyc 9005 Series (Amd)
• Amd Epyc Embedded 3000 (Amd)
• Amd Epyc Embedded 7002 (Amd)
• Amd Epyc Embedded 7003 (Amd)
• Amd Epyc Embedded 8004 (Amd)
• Amd Epyc Embedded 9004 (Amd)
• Amd Epyc Embedded 97x4 (Amd)
• Amd Instinct Mi300a (Amd)
• Amd Ryzen 3000 Series Desktop Processors (Amd)
• Amd Ryzen 3000 Series Mobile Processor With Radeon Graphics (Amd)
• Amd Ryzen 4000 Series Desktop Processor With Radeon Graphics (Amd)
• Amd Ryzen 4000 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Ryzen 5000 Series Desktop Processor With Radeon Graphics (Amd)
• Amd Ryzen 5000 Series Desktop Processors (Amd)
• Amd Ryzen 5000 Series Processors With Radeon Graphics (Amd)
• Amd Ryzen 6000 Series Processor With Radeon Graphics (Amd)
• Amd Ryzen 7000 Series Desktop Processors (Amd)
• Amd Ryzen 7000 Series Processors With Radeon Graphics (Amd)
• Amd Ryzen 7020 Series Processors With Radeon Graphics (Amd)
• Amd Ryzen 7035 Series Processor With Radeon Graphics (Amd)
• Amd Ryzen 7040 Series Processors With Radeon Graphics (Amd)
• Amd Ryzen 7045 Series Mobile Processors (Amd)
• Amd Ryzen 8000 Series Processor With Radeon Graphics (Amd)
• Amd Ryzen 8040 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Ryzen 9000 Series Desktop Processors (Amd)
• Amd Ryzen 9000hx Series Mobile Processors (Amd)
• Amd Ryzen Ai 300 Series (Amd)
• Amd Ryzen Ai Max (Amd)
• Amd Ryzen Embedded 5000 (Amd)
• Amd Ryzen Embedded 7000 (Amd)
• Amd Ryzen Embedded R1000 (Amd)
• Amd Ryzen Embedded R2000 (Amd)
• Amd Ryzen Embedded V1000 (Amd)
• Amd Ryzen Threadripper 3000 Series Processors (Amd)
• Amd Ryzen Threadripper Pro 3000wx Series Processors (Amd)
• Amd Ryzen Threadripper Pro 5000wx- Series Desktop Processors (Amd)
• Amd Ryzen Threadripper Pro 7000 Wx-series Processors (Amd)
• Amd Ryzenembedded V2000 (Amd)
• Amd Ryzenembedded V3000 (Amd)

References

• https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html