This bug was fixed in the package apparmor-easyprof-ubuntu - 16.10.3

---------------
apparmor-easyprof-ubuntu (16.10.3) yakkety; urgency=medium

  [ Michi Henning ]
  * add ClientConfig to list of allowed methods for applications using the
    thumbnailer (LP: #1528058)

 -- Jamie Strandboge <ja...@ubuntu.com>  Fri, 26 Aug 2016 10:01:48 -0500

** Changed in: apparmor-easyprof-ubuntu (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1260103

Title:
  oxide should use an app-specific path for shared memory files

Status in Canonical System Image:
  Fix Released
Status in Oxide:
  Fix Released
Status in Oxide 1.17 series:
  Fix Released
Status in webapps-sprint:
  Fix Committed
Status in apparmor-easyprof-ubuntu package in Ubuntu:
  Fix Released

Bug description:
  Oxide creates shared memory files as /run/shm/.org.chromium.Chromium.*. This 
results in an AppArmor rule like the following:
    owner /run/shm/.org.chromium.Chromium.* rwk, 

  But this rule is too lenient because a malicious app could enumerate
  these files and attack shared memory of other applications. Therefore,
  these paths need to be made application specific.

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