CVE-2024-42446 - CVE House
Back to Database
Status published High CVE-2024-42446

TOCTOU in SmmWhea

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-42446

Credits & Attribution

No credits recorded in the NVD database.

References

More from AMI

View All →
CVE-2025-58770
TCG2 TPM RT Not Locked Issue
High 7.2
CVE-2025-33045
Legacy Serial Redirection SMRAM Vulnerabilities
High 8.2
CVE-2025-33044
exFat Memory Corruption Issue
Medium 5.8
CVE-2025-33043
SMM buffer Integrity
Medium 5.8
CVE-2025-22834
ThirdPartyVideo SetVariable Vulnerability
Medium 4.2

Affected Vendor

Affected Software

AptioV
Vulnerable Versions:
BKS_5.0

Timeline

Official Publish: May 13th, 2025
Last Modified: May 13th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)

CWE-367

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow
Privilege Escalation
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1036 Masquerading
Defense Evasion
T1485 Data Destruction
Impact
T1005 Data from Local System
Collection