CVE-2024-36343 - Vulnerability Details - OpenCVE

Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

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.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html

History

Tue, 19 May 2026 23:45:00 +0000

Type	Values Removed	Values Added
Title		Out-of-Bounds Access in AMD System Management Mode Communication Buffer

Tue, 19 May 2026 21:30:00 +0000

Type	Values Removed	Values Added
Description		Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.
Weaknesses		CWE-124
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html
Metrics		cvssV4_0 `{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-05-19T21:03:09.395Z

Updated: 2026-05-19T21:03:48.439Z

Reserved: 2024-05-23T19:44:47.200Z

Link: CVE-2024-36343

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-05-19T22:16:35.420

Modified: 2026-05-19T22:16:35.420

Link: CVE-2024-36343

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-05-19T23:30:05Z

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