Improper input validation in IOMMU could allow a malicious hypervisor to reconfigure IOMMU registers resulting in loss of guest data integrity.

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Vendors Products
Epyc 8004 Series Processors Subscribe
Epyc 9004 Series Processors Subscribe
Epyc Embedded 9004 Series Processors Subscribe
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 12 Feb 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Amd
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc Embedded 9004 Series Processors
Vendors & Products Amd
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc Embedded 9004 Series Processors

Tue, 10 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 10 Feb 2026 19:45:00 +0000

Type Values Removed Values Added
Description Improper input validation in IOMMU could allow a malicious hypervisor to reconfigure IOMMU registers resulting in loss of guest data integrity.
Weaknesses CWE-1284
References
Metrics cvssV4_0

{'score': 5.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-02-10T21:00:57.491Z

Reserved: 2024-01-03T16:43:26.977Z

Link: CVE-2024-21953

cve-icon Vulnrichment

Updated: 2026-02-10T21:00:51.493Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-10T20:16:42.407

Modified: 2026-02-10T21:51:48.077

Link: CVE-2024-21953

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-12T11:19:42Z

Weaknesses