CVE-2024-36311 - Vulnerability Details - OpenCVE

A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.

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 Low

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.

Exploitation none

Automatable no

Technical Impact partial

No data.

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References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html

History

Tue, 10 Feb 2026 21:15:00 +0000

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

Tue, 10 Feb 2026 20:00:00 +0000

Type	Values Removed	Values Added
Description		A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.
Weaknesses		CWE-367
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.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:L/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-02-10T19:50:06.871Z

Updated: 2026-02-10T20:43:15.862Z

Reserved: 2024-05-23T19:44:32.296Z

Link: CVE-2024-36311

Vulnrichment

Updated: 2026-02-10T20:43:04.597Z

NVD

Status : Received

Published: 2026-02-10T20:16:42.687

Modified: 2026-02-10T20:16:42.687

Link: CVE-2024-36311

Redhat

No data.

OpenCVE Enrichment

No data.

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