xen-netback: take a reference to the RX task thread
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 v5.12.10 by commit caec9bcaeb1a5f03f2d406305355c853af10c13e, it was introduced in version v5.5 by commit 2ac061ce97f413bfbbdd768f7d2e0fda2e8170df. For more details please see the references link.