Security Advisory

CVE-2025-40057

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-10-28 11:48:30
Last updated 2026-05-11 21:41:38
Assigner Linux
State PUBLISHED

Description

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