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[Martin Pitt <martin.pitt@xxxxxxxxxx>]

** Changed in: util-linux (Ubuntu)
       Status: New => Fix Committed

** Changed in: util-linux (Ubuntu)
     Assignee: (unassigned) => Martin Pitt (pitti)

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https://bugs.launchpad.net/bugs/1452099

Title:
  unshare -r is broken

Status in util-linux package in Ubuntu:
  Fix Committed
Status in util-linux package in Debian:
  Fix Released

Bug description:
  After CVE-2014-8989 was fixed in Linux v3.19-rc1~41, ‘unshare -r’ no
  longer works.

  $ unshare -Ur
  unshare: write failed /proc/self/gid_map: Operation not permitted
  $ sudo -i
  # unshare -r
  unshare: write failed /proc/self/gid_map: Operation not permitted

  This was fixed in Debian’s util-linux 2.25.2-6.

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