kernel-source from home:avicenzi:kernel-5.14 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:avicenzi:kernel-5.14/15.4/home:avicenzi:kernel-5.14.repo zypper refresh zypper install kernel-source