CVE-2025-40075: Linux

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: tcp_metrics: use dst_dev_net_rcu() Replace three dst_dev() with a lockdep enabled helper.

Affected products

• Linux Linux: from 4.13, before 6.12.63 (fixed in 6.12.63); from 6.13, before 6.17.3 (fixed in 6.17.3)

Published 2025-10-28. Last modified 2026-07-30.