AMD Secure Processor (ASP) Vulnerability
Summary
A stack-based out-of-bounds write vulnerability exists in the DrvSys Trusted Execution Environment (TEE) driver due to inadequate validation of the RSA modulus length during encryption operations. Supplying a small key size may cause an integer underflow in padding calculations, resulting in memory corruption of a stack-allocated buffer. An attacker with access to the TEE interface could exploit this issue to potentially cause memory corruption or denial of service.
CVE Details
Refer to Glossary for explanation of terms
CVE |
CVE Description |
CVSS Score |
CVE-2024-36344 |
Insufficient parameter sanitization in AMD Secure Processor (ASP) TEE DrvSys could allow a local attacker with access to the Trusted Execution Environment (TEE) interface or Trusted Application (TA) to cause an out-of-bounds write, potentially resulting in a loss of platform integrity or denial of service. |
6.9 CWE- 191: Integer Underflow (Wrap or Wraparound) |
Specific CVSS scores may change subject to your implementation. We encourage you to calculate CVSS scores independently for your system.
Affected Products and Mitigation
AMD recommends updating to the Platform Initialization (PI) firmware version indicated below (note the PI firmware versions were released by AMD to the Original Equipment Manufacturers (OEM) on the dates listed below). Please contact your OEM for the BIOS update specific to your product(s).
*Note: Products believed to not be affected by the listed CVEs are not included.
AMD EPYC™ Series Processors
Product |
Mitigation |
Mitigation Release Date |
AMD EPYC™ 4004 Series Processors |
ComboAM5PI_1.0.0.B |
2025-05-25 |
| AMD EPYC™ 9005 Series Processors | TurinPI 1.0.0.6 | 2025-06-30 |
AMD EPYC™ Embedded Series Processors
Product |
Mitigation |
Mitigation Release Date |
AMD EPYC™ Embedded 9005 Series Processors |
EmbTurinPI-SP5_1.0.0.1 |
2025-10-31 |
Acknowledgement
Internally reported
Revisions
| Revision Date | Description |
| 2026-11-10 | Initial version |
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