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[Launchpad Bug Tracker <1577712@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package mysql-5.7 - 5.7.13-0ubuntu0.16.04.2

---------------
mysql-5.7 (5.7.13-0ubuntu0.16.04.2) xenial-security; urgency=medium

  * SECURITY UPDATE: Update to 5.7.13 to fix security issues (LP: #1604796)
    - http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
    - CVE-2016-3424
    - CVE-2016-3459
    - CVE-2016-3477
    - CVE-2016-3486
    - CVE-2016-3501
    - CVE-2016-3518
    - CVE-2016-3521
    - CVE-2016-3588
    - CVE-2016-3614
    - CVE-2016-3615
    - CVE-2016-5436
    - CVE-2016-5437
    - CVE-2016-5439
    - CVE-2016-5440
    - CVE-2016-5441
    - CVE-2016-5442
    - CVE-2016-5443
  * debian/patches/mysql-export-scramble.patch: removed, upstream.

 -- Marc Deslauriers <marc.deslauriers@xxxxxxxxxx>  Wed, 20 Jul 2016
08:44:25 -0400

** Changed in: mysql-5.7 (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3424

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3459

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3477

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3486

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3501

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3518

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3521

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3588

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3614

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-3615

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-5436

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-5437

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-5439

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-5440

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-5441

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-5442

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-5443

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https://bugs.launchpad.net/bugs/1577712

Title:
  mysql_upgrade is called twice concurrently on upgrade from 14.04

Status in mysql-5.7 package in Ubuntu:
  Fix Released
Status in mysql-5.7 source package in Xenial:
  Fix Released

Bug description:
  Due to the old upstart script still being active, mysql_upgrade is
  called both via upstart on daemon start and by mysql-
  server-5.7.postinst when upgrading on a system that is running
  upstart. This seems to cause various mysql_upgrade failures.
  mysql_upgrade will alter the structure of the system tables,
  particularly performance_schema, which it will delete and recreate. If
  one process deletes it, then the other creates it, the first will also
  try to create it, throwing an error.

  [Impact]

  Error causes mysql_upgrade to fail, which in turn makes the package
  installation fail.

  [Test case]

  Difficult to test fully since it's a race condition bug with two upgrade processes running together.
  * Install mysql-server in Ubuntu Trusty
  * Upgrade system to Xenial

  Expected behavior:
  The server installs, and the database is upgraded to support 5.7

  Actual behavior:
  Occasionally fails with errors like 'performance_schema does not exist' or 'performance_schema already exists'.

  [Regression potential]

  Debian-start is made a no-op script, so if it did something useful we
  haven't noticed, that's lost.

  ---
  Let's use this bug to track this particular root cause, since it isn't clear that all the other classes of report will be cleared up by this fix although we think that they may be. We can dupe them in as needed as we find out.

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