CVE intelligence
CVE-2025-40057
Vulnerability intelligence
Published Oct 28, 2025Sources checked Nov 13, 2026
N/ACVSS not listedScore unavailable
What this means
Review the available evidence
CVE-2025-40057. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do nextRemediation and response
CISA KEVNot listedBased on the latest collected catalog
EPSS0.2%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2025-40057?
In the Linux kernel, the following vulnerability has been resolved:
ptp: Add a upper bound on max_vclocks
syzbot reported WARNING in max_vclocks_store.
This occurs when the argument max is too large for kcalloc to handle.
Extend the guard to guard against values that are too large for kcalloc
Source: NVD