CVE-2026-52940 | Linux Kernel up to 6.18.35/7.0.12 tun tun_put_user stack-based overflow

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.18.35/7.0.12. This vulnerability affects the function tun_put_user of the component tun. The manipulation results in stack-based buffer overflow.

This vulnerability is known as CVE-2026-52940. Access to the local network is required for this attack. No exploit is available.

You should upgrade the affected component.VulDB Recent EntriesRead More