CVE-2025-48509

State: Published
Severity: 1.8 Low
Published: Feb 10, 2026
Updated: Feb 11, 2026
Reserved: May 22, 2025

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

Scores

CVSS	Score	Vector	Source
4.0	1.8 Low	CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N	AMD

Weaknesses

CWE-665 Improper Initialization

Affected Products

Product	Versions
AMD EPYC™ 9004 Series ProcessorsAMD	GenoaPI 1.0.0.FNot affected
AMD EPYC™ 7003 Series ProcessorsAMD	MilanPI 1.0.0.HNot affected
AMD EPYC™ 9005 Series ProcessorsAMD	TurinPI 1.0.0.5Not affected
AMD EPYC™ 8004 Series ProcessorsAMD	GenoaPI 1.0.0.FNot affected
AMD EPYC™ Embedded 7003 Series ProcessorsAMD	EmbMilanPI-SP3 v9 1.0.0.CNot affected
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")AMD	EmbGenoaPI-SP5 1.0.0.BNot affected
AMD EPYC™ Embedded 9005 Series ProcessorsAMD	EmbTurinPI-SP5_1.0.0.1Not affected
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")AMD	EmbGenoaPI-SP5 1.0.0.BNot affected
AMD EPYC™ Embedded 8004 Series ProcessorsAMD	EmbGenoaPI-SP5 1.0.0.BNot affected

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html

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