IBM GPFS (IBM Spectrum Scale 4.1.1.0, 4.1.1.20, 4.2.0.0, 4.2.3.10, 5.0.0 and 5.0.1.2) command line utility allows an unprivileged, authenticated user with access to a GPFS node to forcefully terminate GPFS and deny access to data available through GPFS. IBM X-Force ID: 148806.