drm/virtio: fix NULL pointer dereference in virtio_gpu_conn_get_modes
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 v5.4.198 by commit f85cb059fad03a3b33a50023be91e944bb065ae8. For more details please see the references link.