[apparmor] [Bug 789409] Re: /proc/[PID]/attr/current overwrite Null pointer dereference

[John Johansen]

** Also affects: linux (Ubuntu Quantal)
   Importance: Low
     Assignee: Kees Cook (kees)
       Status: Fix Released

** Also affects: linux-armadaxp (Ubuntu Quantal)
   Importance: Undecided
       Status: New

** Also affects: linux-ec2 (Ubuntu Quantal)
   Importance: Low
       Status: Invalid

** Also affects: linux-fsl-imx51 (Ubuntu Quantal)
   Importance: Low
       Status: Invalid

** Also affects: linux-lts-backport-maverick (Ubuntu Quantal)
   Importance: Low
       Status: Invalid

** Also affects: linux-lts-backport-natty (Ubuntu Quantal)
   Importance: Low
       Status: Invalid

** Also affects: linux-lts-backport-oneiric (Ubuntu Quantal)
   Importance: Low
       Status: Invalid

** Also affects: linux-mvl-dove (Ubuntu Quantal)
   Importance: Low
       Status: Invalid

** Also affects: linux-ti-omap4 (Ubuntu Quantal)
   Importance: Low
       Status: Invalid

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https://bugs.launchpad.net/bugs/789409

Title:
  /proc/[PID]/attr/current overwrite Null pointer dereference

Status in AppArmor Linux application security framework:
  Fix Released
Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux-armadaxp” package in Ubuntu:
  New
Status in “linux-ec2” package in Ubuntu:
  Invalid
Status in “linux-fsl-imx51” package in Ubuntu:
  Invalid
Status in “linux-lts-backport-maverick” package in Ubuntu:
  Invalid
Status in “linux-lts-backport-natty” package in Ubuntu:
  Invalid
Status in “linux-lts-backport-oneiric” package in Ubuntu:
  Invalid
Status in “linux-mvl-dove” package in Ubuntu:
  Invalid
Status in “linux-ti-omap4” package in Ubuntu:
  Invalid
Status in “linux” source package in Lucid:
  Invalid
Status in “linux-armadaxp” source package in Lucid:
  Invalid
Status in “linux-ec2” source package in Lucid:
  Invalid
Status in “linux-fsl-imx51” source package in Lucid:
  Invalid
Status in “linux-lts-backport-maverick” source package in Lucid:
  Fix Released
Status in “linux-lts-backport-natty” source package in Lucid:
  Fix Committed
Status in “linux-lts-backport-oneiric” source package in Lucid:
  Fix Committed
Status in “linux-mvl-dove” source package in Lucid:
  Invalid
Status in “linux-ti-omap4” source package in Lucid:
  Invalid
Status in “linux” source package in Natty:
  Fix Released
Status in “linux-armadaxp” source package in Natty:
  Invalid
Status in “linux-ec2” source package in Natty:
  Invalid
Status in “linux-fsl-imx51” source package in Natty:
  Invalid
Status in “linux-lts-backport-maverick” source package in Natty:
  Invalid
Status in “linux-lts-backport-natty” source package in Natty:
  Invalid
Status in “linux-lts-backport-oneiric” source package in Natty:
  Invalid
Status in “linux-mvl-dove” source package in Natty:
  Invalid
Status in “linux-ti-omap4” source package in Natty:
  Fix Released
Status in “linux” source package in Oneiric:
  Fix Committed
Status in “linux-armadaxp” source package in Oneiric:
  Invalid
Status in “linux-ec2” source package in Oneiric:
  Invalid
Status in “linux-fsl-imx51” source package in Oneiric:
  Invalid
Status in “linux-lts-backport-maverick” source package in Oneiric:
  Invalid
Status in “linux-lts-backport-natty” source package in Oneiric:
  Invalid
Status in “linux-lts-backport-oneiric” source package in Oneiric:
  Invalid
Status in “linux-mvl-dove” source package in Oneiric:
  Invalid
Status in “linux-ti-omap4” source package in Oneiric:
  Fix Committed
Status in “linux” source package in Precise:
  Fix Released
Status in “linux-armadaxp” source package in Precise:
  Fix Committed
Status in “linux-ec2” source package in Precise:
  Invalid
Status in “linux-fsl-imx51” source package in Precise:
  Invalid
Status in “linux-lts-backport-maverick” source package in Precise:
  Invalid
Status in “linux-lts-backport-natty” source package in Precise:
  Invalid
Status in “linux-lts-backport-oneiric” source package in Precise:
  Invalid
Status in “linux-mvl-dove” source package in Precise:
  Invalid
Status in “linux-ti-omap4” source package in Precise:
  Invalid
Status in “linux” source package in Quantal:
  Fix Released
Status in “linux-armadaxp” source package in Quantal:
  New
Status in “linux-ec2” source package in Quantal:
  Invalid
Status in “linux-fsl-imx51” source package in Quantal:
  Invalid
Status in “linux-lts-backport-maverick” source package in Quantal:
  Invalid
Status in “linux-lts-backport-natty” source package in Quantal:
  Invalid
Status in “linux-lts-backport-oneiric” source package in Quantal:
  Invalid
Status in “linux-mvl-dove” source package in Quantal:
  Invalid
Status in “linux-ti-omap4” source package in Quantal:
  Invalid
Status in “linux” source package in Hardy:
  Invalid
Status in “linux-armadaxp” source package in Hardy:
  Invalid
Status in “linux-ec2” source package in Hardy:
  Invalid
Status in “linux-fsl-imx51” source package in Hardy:
  Invalid
Status in “linux-lts-backport-maverick” source package in Hardy:
  Invalid
Status in “linux-lts-backport-natty” source package in Hardy:
  Invalid
Status in “linux-lts-backport-oneiric” source package in Hardy:
  Invalid
Status in “linux-mvl-dove” source package in Hardy:
  Invalid
Status in “linux-ti-omap4” source package in Hardy:
  Invalid

Bug description:
  kernel/AppArmor local denial of service

  Break-Fix: - a5b2c5b2ad5853591a6cac6134cd0f599a720865

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