Comment 6 for bug 1992673

Please check this solution: It worked for me:

https://discourse.ubuntu.com/t/dkms-package-support-extra-drivers-does-not-work-in-ubuntu-22-10-install-media/31655

There's a typo, though. The command should be:

sudo kmodsign sha512 /var/lib/shim-signed/mok/MOK.priv /var/lib/shim-signed/mok/MOK.der /lib/modules/5.19.0-23-generic/updates/dkms/wl.ko