[apparmor] [Bug 929531] Re: apparmor denial to /sys/devices/system/cpu/online

Steve Beattie sbeattie at ubuntu.com
Wed Apr 11 16:22:30 UTC 2012

Committed in upstream lp:apprmor revno 1935

** Changed in: apparmor
       Status: In Progress => Fix Committed

** Changed in: apparmor
    Milestone: None => 2.8.0

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  apparmor denial to /sys/devices/system/cpu/online

Status in AppArmor Linux application security framework:
  Fix Committed
Status in “apparmor” package in Ubuntu:
  Fix Released

Bug description:
  After upgrading to the latest eglibc today, applications are having
  the following apparmor denial:

  type=AVC msg=audit(1328794019.772:83): apparmor="DENIED" operation="open" parent=3049 profile="/usr/lib/telepathy/mission-control-5" name="/sys/devices/system/cpu/online" pid=3053 comm="mission-control" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
  type=AVC msg=audit(1328794257.880:94): apparmor="DENIED" operation="open" parent=3886 profile="/usr/lib/telepathy/telepathy-*" name="/sys/devices/system/cpu/online" pid=3894 comm=64636F6E6620776F726B6572 requested_mask="r" denied_mask="r" fsuid=1000 ouid=0

  The following should go into the base abstraction:
  /sys/devices/system/cpu/online r,

  This seems to have been introduced in the following commit:

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