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[Bug 1660834] Re: apparmor label leak when new label is unused

 

This bug was fixed in the package linux - 4.8.0-45.48

---------------
linux (4.8.0-45.48) yakkety; urgency=low

  * CVE-2017-7184
    - xfrm_user: validate XFRM_MSG_NEWAE XFRMA_REPLAY_ESN_VAL replay_window
    - xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size harder

 -- Stefan Bader <stefan.bader@xxxxxxxxxxxxx>  Fri, 24 Mar 2017 12:03:39
+0100

** Changed in: linux (Ubuntu Yakkety)
       Status: Triaged => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2017-7184

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https://bugs.launchpad.net/bugs/1660834

Title:
  apparmor label leak when new label is unused

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Triaged
Status in linux source package in Yakkety:
  Fix Released
Status in linux source package in Zesty:
  Fix Released

Bug description:
  When a new label is created, it is created with a proxy in a circular           
  ref count that is broken by replacement. However if the label is not            
  used it will never be replaced and the circular ref count will never            
  be broken resulting in a leak.

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