Para openSUSE Factory execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:jsegitz:branches:security:SELinux_bsc1237534/openSUSE_Factory/home:jsegitz:branches:security:SELinux_bsc1237534.repo
zypper refresh
zypper install selinux-policy
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:jsegitz:branches:security:SELinux_bsc1237534/15.6/home:jsegitz:branches:security:SELinux_bsc1237534.repo
zypper refresh
zypper install selinux-policy