CVE-2026-31692 | Linux Kernel up to 6.18.23/6.19.13 netlink_ns_capable privilege escalation

A vulnerability was found in Linux Kernel up to 6.18.23/6.19.13. It has been classified as critical. Affected by this issue is the function netlink_ns_capable. This manipulation causes privilege escalation.

This vulnerability is registered as CVE-2026-31692. The attack requires access to the local network. No exploit is available.

Upgrading the affected component is recommended.