CVE-2025-29949
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Out-of-Bounds Write in AMD Secure Processor Boot Loader Causes DoS

Publication date: 2026-02-10

Last updated on: 2026-02-10

Assigner: Advanced Micro Devices Inc.

Description
Insufficient input parameter sanitization in AMD Secure Processor (ASP) Boot Loader (legacy recovery mode only) could allow an attacker to write out-of-bounds to corrupt Secure DRAM potentially resulting in denial of service.
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Meta Information
Published
2026-02-10
Last Modified
2026-02-10
Generated
2026-06-16
AI Q&A
2026-02-10
EPSS Evaluated
2026-06-15
NVD
CVE-2025-29949
EUVD
EUVD-2025-207143
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
amd secure_processor_boot_loader *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability is caused by insufficient input parameter sanitization in the AMD Secure Processor (ASP) Boot Loader, specifically in the legacy recovery mode. An attacker could exploit this flaw to write data out-of-bounds, which means writing beyond the intended memory area.

This out-of-bounds write can corrupt the Secure DRAM, the protected memory area used by the processor for secure operations.

The corruption of Secure DRAM could potentially result in a denial of service condition.

Impact Analysis

The primary impact of this vulnerability is the potential for denial of service. An attacker exploiting this flaw could cause the AMD Secure Processor to malfunction by corrupting its secure memory.

This could lead to system instability or failure of security functions that rely on the Secure Processor, potentially affecting the overall security posture of the affected system.

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