selinux: fix NULL-pointer dereference when hashtab allocation fails
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 v5.15.5 by commit 83c8ab8503adf56bf68dafc7a382f4946c87da79, it was introduced in version v5.8 by commit 03414a49ad5f3c56988c36d2070e402ffa17feaf. For more details please see the references link.