virt: acrn: fix a memory leak in acrndevioctl()
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 v5.16.19 by commit ee827d86ee73583c0f0b65db877467d9b5551aa4, it was introduced in version v5.12 by commit 9c5137aedd112f78a968bdd2325de2ea06df46c0. For more details please see the references link.