CVE-2024-21954 - Vulnerability Details - OpenCVE

Improper exception handling in IOMMU could allow an invalidate command to be sent to PCIe devices that do not support Address Translation Cache (ATC), potentially resulting in denial of service.

Attack Vector Network

Attack Complexity High

Privileges Required Low

Attack Requirements Present

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 High

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.

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-3052.html

History

Thu, 12 Nov 2026 19:15:00 +0000

Type	Values Removed	Values Added
Description		Improper exception handling in IOMMU could allow an invalidate command to be sent to PCIe devices that do not support Address Translation Cache (ATC), potentially resulting in denial of service.
Weaknesses		CWE-754
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3052.html
Metrics		cvssV4_0 `{'score': 7, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-11-12T19:06:05.496Z

Updated: 2026-11-12T19:06:05.496Z

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

Link: CVE-2024-21954

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-11-12T19:16:44.843

Modified: 2026-11-12T19:24:37.847

Link: CVE-2024-21954

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-754

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