oddjob: race condition in oddjob_selinux_mkdir function in mkhomedir.c can lead to symlink attack

A race condition was found in the mkhomedir tool shipped with the oddjob package. During the home creation, mkhomedir copies the /etc/skel directory into the newly created home and changes its ownership to the home's user without properly checking the homedir path. This flaw allows an attacker to...