CVE-2025-29949
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
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| amd | secure_processor_boot_loader | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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