xen/netfront: fix leaking data in shared pages
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 v4.19.251 by commit 3650ac3218c1640a3d597a8cee17d8e2fcf0ed4e. For more details please see the references link.