CVE-2026-72434: Linux

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: make sure gc is properly stopped Sashiko noticed that when destroying a set, cancel_delayed_work_sync() was called while gc calls queue_delayed_work() unconditionally which can lead not to properly shutting down the gc.

Affected products

• Linux Linux: from 5.4.24, before 5.5 (fixed in 5.5); from 5.5.8, before 5.6 (fixed in 5.6); from 5.6, before 6.12.97 (fixed in 6.12.97); from 6.13, before 6.18.40 (fixed in 6.18.40); from 6.19, before 7.1.5 (fixed in 7.1.5)

Published 2026-08-15. Last modified 2026-08-17.