kernel-default from home:T4597421:kernel-desktop:kernel-default-backport project
Select Your Operating System
Add repository and install manually
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:T4597421:kernel-desktop:kernel-default-backport/15.4/home:T4597421:kernel-desktop:kernel-default-backport.repo zypper refresh zypper install kernel-default