lxc-common 2.0.0-0ubuntu2 / etc / apparmor.d / abstractions / lxc / container-base

  network,
  capability,
  file,
  umount,

  # dbus, signal, ptrace and unix are only supported by recent apparmor
  # versions. Comment them if the apparmor parser doesn't recognize them.

  # This also needs additional rules to reach outside of the container via
  # DBus, so just let all of DBus within the container.
  dbus,

  # Allow us to receive signals from anywhere. Note: if per-container profiles
  # are supported, for container isolation this should be changed to something
  # like:
  #   signal (receive) peer=unconfined,
  #   signal (receive) peer=/usr/bin/lxc-start,
  signal (receive),

  # Allow us to send signals to ourselves
  signal peer=@{profile_name},

  # Allow other processes to read our /proc entries, futexes, perf tracing and
  # kcmp for now (they will need 'read' in the first place). Administrators can
  # override with:
  #   deny ptrace (readby) ...
  ptrace (readby),

  # Allow other processes to trace us by default (they will need 'trace' in
  # the first place). Administrators can override with:
  #   deny ptrace (tracedby) ...
  ptrace (tracedby),

  # Allow us to ptrace ourselves
  ptrace peer=@{profile_name},

  # Allow receive via unix sockets from anywhere. Note: if per-container
  # profiles are supported, for container isolation this should be changed to
  # something like:
  #   unix (receive) peer=(label=unconfined),
  unix (receive),

  # Allow all unix in the container
  unix peer=(label=@{profile_name}),

  # ignore DENIED message on / remount
  deny mount options=(ro, remount) -> /,
  deny mount options=(ro, remount, silent) -> /,

  # allow tmpfs mounts everywhere
  mount fstype=tmpfs,

  # allow hugetlbfs mounts everywhere
  mount fstype=hugetlbfs,

  # allow mqueue mounts everywhere
  mount fstype=mqueue,

  # allow fuse mounts everywhere
  mount fstype=fuse.*,

  # allow bind mount of /lib/init/fstab for lxcguest
  mount options=(rw, bind) /lib/init/fstab.lxc/ -> /lib/init/fstab/,

  # allow bind mounts of /run/{,lock} to /var/run/{,lock}
  mount options=(rw, bind) /run/ -> /var/run/,
  mount options=(rw, bind) /run/lock/ -> /var/lock/,

  # deny access under /proc/bus to avoid e.g. messing with pci devices directly
  deny @{PROC}/bus/** wklx,

  # deny writes in /proc/sys/fs but allow binfmt_misc to be mounted
  mount fstype=binfmt_misc -> /proc/sys/fs/binfmt_misc/,
  deny @{PROC}/sys/fs/** wklx,

  # allow efivars to be mounted, writing to it will be blocked though
  mount fstype=efivarfs -> /sys/firmware/efi/efivars/,

  # block some other dangerous paths
  deny @{PROC}/kcore rwklx,
  deny @{PROC}/kmem rwklx,
  deny @{PROC}/mem rwklx,
  deny @{PROC}/sysrq-trigger rwklx,

  # deny writes in /sys except for /sys/fs/cgroup, also allow
  # fusectl, securityfs and debugfs to be mounted there (read-only)
  mount fstype=fusectl -> /sys/fs/fuse/connections/,
  mount fstype=securityfs -> /sys/kernel/security/,
  mount fstype=debugfs -> /sys/kernel/debug/,
  deny mount fstype=debugfs -> /var/lib/ureadahead/debugfs/,
  mount fstype=proc -> /proc/,
  mount fstype=sysfs -> /sys/,
  mount options=(rw, nosuid, nodev, noexec, remount) -> /sys/,
  deny /sys/firmware/efi/efivars/** rwklx,
  deny /sys/kernel/security/** rwklx,
  mount options=(move) /sys/fs/cgroup/cgmanager/ -> /sys/fs/cgroup/cgmanager.lower/,
  mount options=(ro, nosuid, nodev, noexec, remount, strictatime) -> /sys/fs/cgroup/,

  # deny reads from debugfs
  deny /sys/kernel/debug/{,**} rwklx,

  # generated by: lxc-generate-aa-rules.py container-rules.base
  deny /proc/sys/[^kn]*{,/**} wklx,
  deny /proc/sys/k[^e]*{,/**} wklx,
  deny /proc/sys/ke[^r]*{,/**} wklx,
  deny /proc/sys/ker[^n]*{,/**} wklx,
  deny /proc/sys/kern[^e]*{,/**} wklx,
  deny /proc/sys/kerne[^l]*{,/**} wklx,
  deny /proc/sys/kernel/[^smhd]*{,/**} wklx,
  deny /proc/sys/kernel/d[^o]*{,/**} wklx,
  deny /proc/sys/kernel/do[^m]*{,/**} wklx,
  deny /proc/sys/kernel/dom[^a]*{,/**} wklx,
  deny /proc/sys/kernel/doma[^i]*{,/**} wklx,
  deny /proc/sys/kernel/domai[^n]*{,/**} wklx,
  deny /proc/sys/kernel/domain[^n]*{,/**} wklx,
  deny /proc/sys/kernel/domainn[^a]*{,/**} wklx,
  deny /proc/sys/kernel/domainna[^m]*{,/**} wklx,
  deny /proc/sys/kernel/domainnam[^e]*{,/**} wklx,
  deny /proc/sys/kernel/domainname?*{,/**} wklx,
  deny /proc/sys/kernel/h[^o]*{,/**} wklx,
  deny /proc/sys/kernel/ho[^s]*{,/**} wklx,
  deny /proc/sys/kernel/hos[^t]*{,/**} wklx,
  deny /proc/sys/kernel/host[^n]*{,/**} wklx,
  deny /proc/sys/kernel/hostn[^a]*{,/**} wklx,
  deny /proc/sys/kernel/hostna[^m]*{,/**} wklx,
  deny /proc/sys/kernel/hostnam[^e]*{,/**} wklx,
  deny /proc/sys/kernel/hostname?*{,/**} wklx,
  deny /proc/sys/kernel/m[^s]*{,/**} wklx,
  deny /proc/sys/kernel/ms[^g]*{,/**} wklx,
  deny /proc/sys/kernel/msg*/** wklx,
  deny /proc/sys/kernel/s[^he]*{,/**} wklx,
  deny /proc/sys/kernel/se[^m]*{,/**} wklx,
  deny /proc/sys/kernel/sem*/** wklx,
  deny /proc/sys/kernel/sh[^m]*{,/**} wklx,
  deny /proc/sys/kernel/shm*/** wklx,
  deny /proc/sys/kernel?*{,/**} wklx,
  deny /proc/sys/n[^e]*{,/**} wklx,
  deny /proc/sys/ne[^t]*{,/**} wklx,
  deny /proc/sys/net?*{,/**} wklx,
  deny /sys/[^fdc]*{,/**} wklx,
  deny /sys/c[^l]*{,/**} wklx,
  deny /sys/cl[^a]*{,/**} wklx,
  deny /sys/cla[^s]*{,/**} wklx,
  deny /sys/clas[^s]*{,/**} wklx,
  deny /sys/class/[^n]*{,/**} wklx,
  deny /sys/class/n[^e]*{,/**} wklx,
  deny /sys/class/ne[^t]*{,/**} wklx,
  deny /sys/class/net?*{,/**} wklx,
  deny /sys/class?*{,/**} wklx,
  deny /sys/d[^e]*{,/**} wklx,
  deny /sys/de[^v]*{,/**} wklx,
  deny /sys/dev[^i]*{,/**} wklx,
  deny /sys/devi[^c]*{,/**} wklx,
  deny /sys/devic[^e]*{,/**} wklx,
  deny /sys/device[^s]*{,/**} wklx,
  deny /sys/devices/[^v]*{,/**} wklx,
  deny /sys/devices/v[^i]*{,/**} wklx,
  deny /sys/devices/vi[^r]*{,/**} wklx,
  deny /sys/devices/vir[^t]*{,/**} wklx,
  deny /sys/devices/virt[^u]*{,/**} wklx,
  deny /sys/devices/virtu[^a]*{,/**} wklx,
  deny /sys/devices/virtua[^l]*{,/**} wklx,
  deny /sys/devices/virtual/[^n]*{,/**} wklx,
  deny /sys/devices/virtual/n[^e]*{,/**} wklx,
  deny /sys/devices/virtual/ne[^t]*{,/**} wklx,
  deny /sys/devices/virtual/net?*{,/**} wklx,
  deny /sys/devices/virtual?*{,/**} wklx,
  deny /sys/devices?*{,/**} wklx,
  deny /sys/f[^s]*{,/**} wklx,
  deny /sys/fs/[^c]*{,/**} wklx,
  deny /sys/fs/c[^g]*{,/**} wklx,
  deny /sys/fs/cg[^r]*{,/**} wklx,
  deny /sys/fs/cgr[^o]*{,/**} wklx,
  deny /sys/fs/cgro[^u]*{,/**} wklx,
  deny /sys/fs/cgrou[^p]*{,/**} wklx,
  deny /sys/fs/cgroup?*{,/**} wklx,
  deny /sys/fs?*{,/**} wklx,