CVE-2026-46321 | Linux Kernel up to 6.12.92/6.18.34/7.0.11/7.1-rc5 tun /dev/net/tun tun_xdp_one infinite loop

SecurityVulns
Yanac

A vulnerability identified as critical has been detected in Linux Kernel up to 6.12.92/6.18.34/7.0.11/7.1-rc5. This affects the function tun_xdp_one of the file /dev/net/tun of the component tun. Performing a manipulation results in infinite loop.

This vulnerability is known as CVE-2026-46321. Attacking locally is a requirement. No exploit is available.

You should upgrade the affected component.VulDB Recent EntriesRead More