A leakage of module reference and kernel daemon in NFSv4 when NFSv4 mounts are made and then all outstanding NFSv4 mounts are removed. Local attackers with permission to mount NFS filesystems can potentially cause DoS by running the system out of resources.
Fixed by following patches:
which were merged into mainline in following commit:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1451996]