CVE-2025-48504

Hypervisor Metadata Manipulation in AMD SEV Firmware

Published Nov 10, 2026 CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
Operation on a resource after expiration or release in the Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to manipulate metadata pages potentially resulting in the loss of confidentiality and integrity of guest memory.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Hypervisor Metadata Manipulation in AMD SEV Firmware
Type Values Removed Values Added
First Time appeared Amd
Amd epyc 4005 Series Processors
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Vendors & Products Amd
Amd epyc 4005 Series Processors
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Type Values Removed Values Added
Title AMD SEV Firmware Allows Legacy Resource Manipulation Leading to Guest Memory Exposure
Type Values Removed Values Added
Title AMD SEV Firmware Allows Legacy Resource Manipulation Leading to Guest Memory Exposure
Type Values Removed Values Added
Description Operation on a resource after expiration or release in the Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to manipulate metadata pages potentially resulting in the loss of confidentiality and integrity of guest memory.
Weaknesses CWE-672
References
Metrics cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N'}