kernel-source from Kernel:openSUSE-42.3:Submit project
Select Your Operating System
Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Kernel:openSUSE-42.3:Submit/standard/Kernel:openSUSE-42.3:Submit.repo zypper refresh zypper install kernel-source
For ports run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Kernel:openSUSE-42.3:Submit/ports/Kernel:openSUSE-42.3:Submit.repo zypper refresh zypper install kernel-source