Input Validation Flaw in AMD Secure Memory Manager and Related Products
CVE-2024-36355

7HIGH

Key Information:

Vendor

Amd
Status
Amd Epyc™ 9004 Series Processors
Amd Ryzen™ Threadripper™ Pro 5000 Wx-series Processors
Amd Ryzen™ 5000 Series Mobile Processors With Radeon™ Graphics
Amd Ryzen™ Threadripper™ Pro 3000 Wx-series Processors
Vendor
CVE Published:
10 February 2026

What is CVE-2024-36355?

An input validation flaw in the System Management Mode (SMM) handler of AMD products can enable attackers with Ring0 access to alter the execution flow of the S3 (sleep) wake-up process. This vulnerability grants the potential for arbitrary code execution by allowing unauthorized write operations to the System Management RAM (SMRAM). It represents a significant risk to system integrity and confidentiality, making it crucial for users to update their systems and implement mitigations.

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Affected Version(s)

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5_1.0.1.2c

AMD EPYC™ 9004 Series Processors GenoaPI 1.0.0.E

AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") EmbGenoaPI-SP5 1.0.0.B

References

https://www.amd.com/en/resources/product-security/bulleti...
https://www.amd.com/en/resources/product-security/bulleti...

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Reported through AMD Bug Bounty Program
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