CVE-2025-40173 | Linux Kernel up to 6.18-rc1 ip6_tunnel privilege escalation

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.18-rc1. Affected by this issue is the function ip6_tunnel. This manipulation causes privilege escalation.

The identification of this vulnerability is CVE-2025-40173. The attack needs to be done within the local network. There is no exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More