qemu-7.2 from home:olh:xen-4.5 project

Для SLE 15 запустите от имени root:

zypper addrepo https://download.opensuse.org/repositories/home:olh:xen-4.5/SLE_15/home:olh:xen-4.5.repo
zypper refresh
zypper install qemu-7.2