Systems with aufs mounts are vulnerable to a kernel BUG(), which can turn into a panic/crash if panic_on_oops is set.
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1903680]
The aufs bits are not upstream, and have never been included in a Fedora build.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):