(In reply to Michal Suchanek from comment #4) > The virtualbox from Kernel:stable:Backport should install on Leap 15.3 The kmp rpms in Kernel:stable:Backport cannon be installed. The error is: Problem: nothing provides 'ksym(default:_copy_to_user) = 6b10bee1' needed by the to be installed virtualbox-kmp-default-6.1.22_k5.12.13_lp153.2.g2ab6e2b-lp153.603.1.x86_64 Solution 1: do not install virtualbox-kmp-default-6.1.22_k5.12.13_lp153.2.g2ab6e2b-lp153.603.1.x86_64 Solution 2: break virtualbox-kmp-default-6.1.22_k5.12.13_lp153.2.g2ab6e2b-lp153.603.1.x86_64 by ignoring some of its dependencies