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CVE-2025-48509

CVE-2025-48509

CVSS 1.8 LOWEPSS 0.1%CWE-665
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
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
Affected products
AMD · AMD EPYC™ 7003 Series ProcessorsAMD · AMD EPYC™ 8004 Series ProcessorsAMD · AMD EPYC™ 9004 Series ProcessorsAMD · AMD EPYC™ 9005 Series ProcessorsAMD · AMD EPYC™ Embedded 7003 Series ProcessorsAMD · AMD EPYC™ Embedded 8004 Series ProcessorsAMD · AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")AMD · AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")AMD · AMD EPYC™ Embedded 9005 Series Processors

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