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[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

Fix released in 3.13.0-77.121

** Changed in: linux (Ubuntu Trusty)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1520411

Title:
  powerpc/tm: Fix local DoS

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Trusty:
  Fix Released
Status in linux source package in Vivid:
  Fix Released
Status in linux source package in Wily:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  The following two fixes have just made it into mpes powerpc fixes
  tree:

    7f821fc powerpc/tm: Check for already reclaimed tasks
    d2b9d2a powerpc/tm: Block signal return setting invalid MSR state

  They fix local DoS  (userspace can crash the OS) on powerpc POWER8
  cpus for any kernel v3.9+

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