CVE-2024-21947 - Vulnerability Details - OpenCVE

Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Amd	Athlon Athlon 3000 Ryzen Ryzen 3000 Ryzen 4000 Ryzen 5000 Ryzen 6000 Ryzen 7000

No data.

No data.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html

History

Tue, 09 Sep 2025 21:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Amd Amd athlon Amd athlon 3000 Amd ryzen Amd ryzen 3000 Amd ryzen 4000 Amd ryzen 5000 Amd ryzen 6000 Amd ryzen 7000
Vendors & Products		Amd Amd athlon Amd athlon 3000 Amd ryzen Amd ryzen 3000 Amd ryzen 4000 Amd ryzen 5000 Amd ryzen 6000 Amd ryzen 7000

Mon, 08 Sep 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Sat, 06 Sep 2025 17:30:00 +0000

Type	Values Removed	Values Added
Description		Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.
Weaknesses		CWE-20
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2025-09-06T17:10:47.951Z

Updated: 2025-09-09T03:55:22.425Z

Reserved: 2024-01-03T16:43:21.322Z

Link: CVE-2024-21947

Vulnrichment

Updated: 2025-09-08T14:41:55.388Z

NVD

Status : Awaiting Analysis

Published: 2025-09-06T18:15:39.063

Modified: 2025-09-08T16:25:38.810

Link: CVE-2024-21947

Redhat

No data.

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