Security Advisory

CVE-2026-43074

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-06 07:21:58

Last updated 2026-06-01 16:14:10

Assigner Linux

CVSS score 7.8

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, ep_free() in eventpoll.c will kfree the epi->ep eventpoll struct while it still being used by another concurrent thread. Defer the kfree() to an RCU callback to prevent UAF.

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