/etc/apparmor.d/abstractions/nvidia is in apparmor 2.10.95-0ubuntu2.6~14.04.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | # vim:syntax=apparmor
# nvidia access requirements
  
  # configuration queries
  capability ipc_lock,
  # libvdpau config file for nvidia workarounds
  /etc/vdpau_wrapper.cfg r,
  # device files
  /dev/nvidia0    rw,
  /dev/nvidiactl  rw,
  @{PROC}/interrupts r,
  @{PROC}/sys/vm/max_map_count r,
 |