xen-netfront: Fix NULL sring after live migration
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 v4.19.269 by commit 99859947517e446058ad7243ee81d2f9801fa3dd, it was introduced in version v2.6.24 by commit 4ec2411980d0fd2995e8dea8a06fe57aa47523cb. For more details please see the references link.