CVE-2025-48509
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BaseFortify

Publication date: 2026-02-10

Last updated on: 2026-02-10

Assigner: Advanced Micro Devices Inc.

Description
Missing Checks in certain functions related to RMP initialization can allow a local admin privileged attacker to cause misidentification of I/O memory, potentially resulting in a loss of guest memory integrity
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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-2025-48509
EUVD
EUVD-2025-207431
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
amd epyc From 1.37.2A (inc) to 1.37.31 (inc)
amd epyc 1.0.0.f
amd epyc 1.0.0.g
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-665 The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.
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Executive Summary

This vulnerability involves missing checks in certain functions related to RMP (Reserved Memory Protection) initialization. Because of these missing checks, a local administrator with privileged access can cause the system to misidentify I/O memory. This misidentification can potentially lead to a loss of guest memory integrity.

Impact Analysis

The impact of this vulnerability is that a local privileged attacker could cause the system to misidentify I/O memory, which may result in a loss of guest memory integrity. This could compromise the stability or security of virtualized environments or systems relying on memory protection.

Compliance Impact

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