A non-privileged user is able to mount a fuse filesystem on RHEL 6 or 7 and crash a system if an application punches a hole in a file that does not end aligned to a page boundary.
https://support.f5.com/csp/article/K42142782?utm_source=f5support&%3Butm_medium=RSS
https://bugzilla.redhat.com/show_bug.cgi?id=1520893
https://access.redhat.com/errata/RHSA-2018:1854
https://access.redhat.com/errata/RHSA-2018:1062