CVE-2025-29948
Improper Access Control in AMD SEV Firmware Risks Memory Integrity
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_encrypted_virtualization | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-1260 | The product allows address regions to overlap, which can result in the bypassing of intended memory protection. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves improper access control in AMD Secure Encrypted Virtualization (SEV) firmware. It allows a malicious hypervisor to bypass the RMP (Reverse Map Table) protections.
As a result, the integrity of the SEV-SNP guest memory could be compromised.
How can this vulnerability impact me? :
The vulnerability could allow a malicious hypervisor to bypass security protections, leading to a loss of integrity of the guest memory in SEV-SNP environments.
This means that sensitive data within the virtualized environment could be tampered with or corrupted without detection.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
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?
I don't know