CVE-2024-21953 - Vulnerability Details - OpenCVE

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

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact High

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

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

Status: PUBLISHED

Assigner: AMD

Published: 2026-02-10T19:11:17.966Z

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

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

Link: CVE-2024-21953

Vulnrichment

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

NVD

Status : Awaiting Analysis

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

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

Link: CVE-2024-21953

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-1284

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