x86/kvm: fix FASTOP_SIZE when return thunks are enabled
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 v5.18.14 by commit d417d9d84a0406afa422a957d2b47f1e054f9912, it was introduced in version v5.18.14 by commit a05146b2ac6ab1deff475a06441b825d176b320e. For more details please see the references link.