CVE-2025-71146: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conncount: fix leaked ct in error paths There are some situations where ct might be leaked as error paths are skipping the refcounted check and return immediately. In order to solve it make sure that the check is always called.

Affected products

• Linux Linux Kernel: from 6.17.13, before 6.18 (fixed in 6.18); version 6.12.63 only; version 6.18.2 only; version 6.19 only

Published 2026-01-23. Last modified 2026-07-30.