A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.18.21/6.19.11. Affected by this issue is the function gpiochip_add_data_with_key of the component gpio. Such manipulation leads to double free.

This vulnerability is traded as CVE-2026-31732. Access to the local network is required for this attack to succeed. There is no exploit available.

You should upgrade the affected component.