xen/netback: avoid entering xenvifrxnext_skb() with an empty rx queue
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 v4.19.253 by commit 5a071aefd6414af5a20321ab58a0557b81993687, it was introduced in version v4.9 by commit 98f6d57ced73b723551568262019f1d6c8771f20. For more details please see the references link.