kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF

A flaw was found in the Linux kernel's eventpoll mechanism. A Use-After-Free UAF vulnerability, where the system attempts to access memory after it has been freed, can occur during the removal of a file. A local attacker could exploit this race condition to corrupt memory, potentially leading to...

PT-2025-33812

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw within the eventpoll subsystem that could allow for semi-unbounded recursion. The issue stems from insufficient depth checks when creating graph edges...