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

EPSS

0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-25)

Published

2025-10-28

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

References

• https://git.kernel.org/stable/c/35ce5f163889dbce88eda1df661b357a09bbed87
• https://git.kernel.org/stable/c/8dd446056336faa2283d62cefc2f576536845edc
• https://git.kernel.org/stable/c/da513f2ad1b1b1cf1880ccc2603ce1f1f818eb2e
• https://git.kernel.org/stable/c/e9f35294e18da82162004a2f35976e7031aaf7f9

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