CVE-2024-36343

Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.

Score

CVSS 4.0 4.6 Medium

Status

Awaiting Analysis - psirt@amd.com

Published

2026-05-19

Last modified

2026-05-20

Weaknesses

CWE-124

Affected products

• Amd Epyc 4004 (Amd)
• Amd Epyc 4005 (Amd)
• Amd Ryzen 6000 Series Processors With Radeon Graphics (Amd)
• Amd Ryzen 7000 Series Desktop Processors (Amd)
• Amd Ryzen 7040 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Ryzen 7045 Series Mobile Processors With Radeon Graphics (Amd)
• Amd Ryzen 8000 Series Desktop Processors (Amd)
• Amd Ryzen 9000 Series Desktop Processors (Amd)
• Amd Ryzen 9000hx Series Mobile Processors (Amd)
• Amd Ryzen Ai 300 Series Processors (Amd)
• Amd Ryzen Ai Max (Amd)
• Amd Ryzen Embedded 7000 Series Processors (Amd)
• Amd Ryzen Embedded 8000 Series Processors (Amd)
• Amd Ryzen Embedded 9000 Series Processors (Amd)
• Amd Ryzen Embedded V3000 Series Processors (Amd)
• Amd Ryzen Threadripper 7000 Processors (Amd)
• Amd Ryzen Threadripper Pro 7000 Wx-series Processors (Amd)

References

• https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html
• https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html