CVE-2024-21963 - Vulnerability Details - OpenCVE

An out-of-bounds read vulnerability in the IOMMU could allow a malicious guest to corrupt hypervisor (HV) pages and potentially cause a host crash leading to loss of availability.

Attack Vector Network

Attack Complexity High

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

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.

Key SSVC decision points have not yet been added.

No data.

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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-3060.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4018.html

History

Thu, 12 Nov 2026 19:30:00 +0000

Type	Values Removed	Values Added
Description		An out-of-bounds read vulnerability in the IOMMU could allow a malicious guest to corrupt hypervisor (HV) pages and potentially cause a host crash leading to loss of availability.
Weaknesses		CWE-125
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3060.html https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4018.html
Metrics		cvssV4_0 `{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-11-12T19:23:50.871Z

Updated: 2026-11-12T19:23:50.871Z

Reserved: 2024-01-03T16:43:28.698Z

Link: CVE-2024-21963

Vulnrichment

No data.

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-125

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