net: tun: Fix memory leaks of napigetfrags
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.79 by commit d7569302a7a52a9305d2fb054df908ff985553bb, it was introduced in version v4.15 by commit 90e33d45940793def6f773b2d528e9f3c84ffdc7. For more details please see the references link.