High severity · published Jan 14, 2025
CVE-2024-42444
TOCTOU Race Condition between DMA and SMM
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
APTIOV contains a vulnerability in BIOS where an attacker may cause a TOCTOU Race Condition by local means. Successful exploitation of this vulnerability may lead to execution of arbitrary code on the target device.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AP
AptioV · AMI
BKS_5.0 through BKS_5.38 · source: vendor
AV
Aptio V · Ami
5.0 before 5.038 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-42444
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-42444
Vendor Advisory
https://go.ami.com/hubfs/Security%20Advisories/2025/AMI-SA-2025001.pdf
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