CVE-2024-42446

TOCTOU in SmmWhea

Published May 13, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-54476 APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.
History
Type Values Removed Values Added
First Time appeared Ami
Ami aptio V
CPEs cpe:2.3:o:ami:aptio_v:*:*:*:*:*:*:*:*
Vendors & Products Ami
Ami aptio V
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.
Title TOCTOU in SmmWhea
Weaknesses CWE-367
References
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMI
Published
Updated
May 13, 2025, 3:16 PM
Reserved
Aug 1, 2024, 9:19 PM
Status
Analyzed
Published
May 13, 2025, 2:15 PM
Modified
Jun 17, 2026, 7:49 AM