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.
Published: 2026-11-10
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
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Remediation

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Tracking

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Advisories

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History

Thu, 12 Nov 2026 20:30:00 +0000

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

Thu, 12 Nov 2026 06:45:00 +0000

Type Values Removed Values Added
Title AMD SEV Firmware Allows Legacy Resource Manipulation Leading to Guest Memory Exposure

Wed, 11 Nov 2026 16:00:00 +0000

Type Values Removed Values Added
Title AMD SEV Firmware Allows Legacy Resource Manipulation Leading to Guest Memory Exposure

Tue, 10 Nov 2026 22:30:00 +0000

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'}


Subscriptions

Amd Epyc 4005 Series Processors Epyc 7003 Series Processors Epyc 8004 Series Processors Epyc 9004 Series Processors Epyc 9005 Series Processors Epyc Embedded 7003 Series Processors Epyc Embedded 8004 Series Processors Epyc Embedded 9004 Series Processors Epyc Embedded 9005 Series Processors
cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-11-10T22:13:08.045Z

Reserved: 2025-05-22T16:34:02.896Z

Link: CVE-2025-48504

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-10T23:17:19.017

Modified: 2026-11-12T16:58:33.260

Link: CVE-2025-48504

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T20:08:28Z

Weaknesses
  • CWE-672

    Operation on a Resource after Expiration or Release