CVE-2024-21944
Intel Virtualization Technology DIMM SPD Information Disclosure and Memory Corruption
Description
Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker with physical access, ring0 access on a system with a non-compliant DIMM, or control over the Root of Trust for BIOS update, to potentially overwrite guest memory resulting in loss of guest data integrity.
INFO
Published Date :
June 10, 2026, 11:16 p.m.
Last Modified :
July 23, 2026, 9:10 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2024-21944
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | b58fc414-a1e4-4f92-9d70-1add41838648 | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Validate DIMM SPD metadata input.
- Apply security updates for BIOS/firmware.
- Restrict physical and ring0 access.
- Control Root of Trust for BIOS updates.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-21944.
| URL | Resource |
|---|---|
| https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3015.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-21944 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-21944
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-21944 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-21944 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 23, 2026
Action Type Old Value New Value Added Translation Title: algunos productos de la familia EPYC de AMD, Description: La validación de entrada incorrecta para los metadatos de detección de presencia serie (SPD) de DIMM podría permitir a un atacante con acceso físico, acceso ring0 en un sistema con un DIMM no conforme, o control sobre la Raíz de Confianza para la actualización del BIOS, sobrescribir potencialmente la memoria invitada, resultando en la pérdida de integridad de los datos invitados. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'AMD', 'product': 'AMD EPYC™ 7003 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'Milan PI 1.0.0.D'}, {'status': 'unaffected', 'version': 'SEV FW 1.55.22 (hex 1.37.16)'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ 9004 Series Processor', 'versions': [{'status': 'unaffected', 'version': 'Genoa PI 1.0.0.D'}, {'status': 'unaffected', 'version': 'SEV FW 1.55.38 (hex 1.37.26)'}], 'defaultStatus': 'affected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2024-21944', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-11T13:27:57.865423Z'} -
New CVE Received by [email protected]
Jun. 10, 2026
Action Type Old Value New Value Added Description Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker with physical access, ring0 access on a system with a non-compliant DIMM, or control over the Root of Trust for BIOS update, to potentially overwrite guest memory resulting in loss of guest data integrity. Added CVSS V3.1 AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N Added CWE CWE-20 Added Reference https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3015.html