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[John Johansen <john.johansen@xxxxxxxxxxxxx>]

*** This bug is a security vulnerability ***

Public security bug reported:

copying from /dev/zero causes local DoS

** Affects: linux (Ubuntu)
     Importance: Medium
         Status: New

** Affects: linux-armadaxp (Ubuntu)
     Importance: Medium
         Status: Invalid

** Affects: linux-ec2 (Ubuntu)
     Importance: Medium
         Status: Invalid

** Affects: linux-fsl-imx51 (Ubuntu)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-backport-maverick (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-lts-backport-natty (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-lts-quantal (Ubuntu)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-raring (Ubuntu)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-saucy (Ubuntu)
     Importance: Medium
         Status: Invalid

** Affects: linux-mvl-dove (Ubuntu)
     Importance: Medium
         Status: Invalid

** Affects: linux-ti-omap4 (Ubuntu)
     Importance: Medium
         Status: Invalid

** Affects: linux (Ubuntu Lucid)
     Importance: Medium
         Status: New

** Affects: linux-armadaxp (Ubuntu Lucid)
     Importance: Medium
         Status: Invalid

** Affects: linux-ec2 (Ubuntu Lucid)
     Importance: Medium
         Status: New

** Affects: linux-fsl-imx51 (Ubuntu Lucid)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-backport-maverick (Ubuntu Lucid)
     Importance: Undecided
         Status: New

** Affects: linux-lts-backport-natty (Ubuntu Lucid)
     Importance: Undecided
         Status: New

** Affects: linux-lts-quantal (Ubuntu Lucid)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-raring (Ubuntu Lucid)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-saucy (Ubuntu Lucid)
     Importance: Medium
         Status: Invalid

** Affects: linux-mvl-dove (Ubuntu Lucid)
     Importance: Medium
         Status: Invalid

** Affects: linux-ti-omap4 (Ubuntu Lucid)
     Importance: Medium
         Status: Invalid

** Affects: linux (Ubuntu Precise)
     Importance: Medium
         Status: New

** Affects: linux-armadaxp (Ubuntu Precise)
     Importance: Medium
         Status: New

** Affects: linux-ec2 (Ubuntu Precise)
     Importance: Medium
         Status: Invalid

** Affects: linux-fsl-imx51 (Ubuntu Precise)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-backport-maverick (Ubuntu Precise)
     Importance: Undecided
         Status: New

** Affects: linux-lts-backport-natty (Ubuntu Precise)
     Importance: Undecided
         Status: New

** Affects: linux-lts-quantal (Ubuntu Precise)
     Importance: Medium
         Status: New

** Affects: linux-lts-raring (Ubuntu Precise)
     Importance: Medium
         Status: New

** Affects: linux-lts-saucy (Ubuntu Precise)
     Importance: Medium
         Status: New

** Affects: linux-mvl-dove (Ubuntu Precise)
     Importance: Medium
         Status: Invalid

** Affects: linux-ti-omap4 (Ubuntu Precise)
     Importance: Medium
         Status: New

** Affects: linux (Ubuntu Trusty)
     Importance: Medium
         Status: New

** Affects: linux-armadaxp (Ubuntu Trusty)
     Importance: Medium
         Status: Invalid

** Affects: linux-ec2 (Ubuntu Trusty)
     Importance: Medium
         Status: Invalid

** Affects: linux-fsl-imx51 (Ubuntu Trusty)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-backport-maverick (Ubuntu Trusty)
     Importance: Undecided
         Status: New

** Affects: linux-lts-backport-natty (Ubuntu Trusty)
     Importance: Undecided
         Status: New

** Affects: linux-lts-quantal (Ubuntu Trusty)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-raring (Ubuntu Trusty)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-saucy (Ubuntu Trusty)
     Importance: Medium
         Status: Invalid

** Affects: linux-mvl-dove (Ubuntu Trusty)
     Importance: Medium
         Status: Invalid

** Affects: linux-ti-omap4 (Ubuntu Trusty)
     Importance: Medium
         Status: Invalid

** Affects: linux (Ubuntu Utopic)
     Importance: Medium
         Status: New

** Affects: linux-armadaxp (Ubuntu Utopic)
     Importance: Medium
         Status: Invalid

** Affects: linux-ec2 (Ubuntu Utopic)
     Importance: Medium
         Status: Invalid

** Affects: linux-fsl-imx51 (Ubuntu Utopic)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-backport-maverick (Ubuntu Utopic)
     Importance: Undecided
         Status: New

** Affects: linux-lts-backport-natty (Ubuntu Utopic)
     Importance: Undecided
         Status: New

** Affects: linux-lts-quantal (Ubuntu Utopic)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-raring (Ubuntu Utopic)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-saucy (Ubuntu Utopic)
     Importance: Medium
         Status: Invalid

** Affects: linux-mvl-dove (Ubuntu Utopic)
     Importance: Medium
         Status: Invalid

** Affects: linux-ti-omap4 (Ubuntu Utopic)
     Importance: Medium
         Status: Invalid

** Affects: linux (Ubuntu Vivid)
     Importance: Medium
         Status: New

** Affects: linux-armadaxp (Ubuntu Vivid)
     Importance: Medium
         Status: Invalid

** Affects: linux-ec2 (Ubuntu Vivid)
     Importance: Medium
         Status: Invalid

** Affects: linux-fsl-imx51 (Ubuntu Vivid)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-backport-maverick (Ubuntu Vivid)
     Importance: Undecided
         Status: New

** Affects: linux-lts-backport-natty (Ubuntu Vivid)
     Importance: Undecided
         Status: New

** Affects: linux-lts-quantal (Ubuntu Vivid)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-raring (Ubuntu Vivid)
     Importance: Medium
         Status: Invalid

** Affects: linux-lts-saucy (Ubuntu Vivid)
     Importance: Medium
         Status: Invalid

** Affects: linux-mvl-dove (Ubuntu Vivid)
     Importance: Medium
         Status: Invalid

** Affects: linux-ti-omap4 (Ubuntu Vivid)
     Importance: Medium
         Status: Invalid


** Tags: kernel-cve-tracking-bug

** Tags added: kernel-cve-tracking-bug

** Information type changed from Public to Public Security

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2014-7843

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https://bugs.launchpad.net/bugs/1392826

Title:
  CVE-2014-7843

Status in “linux” package in Ubuntu:
  New
Status in “linux-armadaxp” package in Ubuntu:
  Invalid
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:
  New
Status in “linux-lts-backport-natty” package in Ubuntu:
  New
Status in “linux-lts-quantal” package in Ubuntu:
  Invalid
Status in “linux-lts-raring” package in Ubuntu:
  Invalid
Status in “linux-lts-saucy” 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:
  New
Status in “linux-armadaxp” source package in Lucid:
  Invalid
Status in “linux-ec2” source package in Lucid:
  New
Status in “linux-fsl-imx51” source package in Lucid:
  Invalid
Status in “linux-lts-backport-maverick” source package in Lucid:
  New
Status in “linux-lts-backport-natty” source package in Lucid:
  New
Status in “linux-lts-quantal” source package in Lucid:
  Invalid
Status in “linux-lts-raring” source package in Lucid:
  Invalid
Status in “linux-lts-saucy” source package in Lucid:
  Invalid
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 Precise:
  New
Status in “linux-armadaxp” source package in Precise:
  New
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:
  New
Status in “linux-lts-backport-natty” source package in Precise:
  New
Status in “linux-lts-quantal” source package in Precise:
  New
Status in “linux-lts-raring” source package in Precise:
  New
Status in “linux-lts-saucy” source package in Precise:
  New
Status in “linux-mvl-dove” source package in Precise:
  Invalid
Status in “linux-ti-omap4” source package in Precise:
  New
Status in “linux” source package in Trusty:
  New
Status in “linux-armadaxp” source package in Trusty:
  Invalid
Status in “linux-ec2” source package in Trusty:
  Invalid
Status in “linux-fsl-imx51” source package in Trusty:
  Invalid
Status in “linux-lts-backport-maverick” source package in Trusty:
  New
Status in “linux-lts-backport-natty” source package in Trusty:
  New
Status in “linux-lts-quantal” source package in Trusty:
  Invalid
Status in “linux-lts-raring” source package in Trusty:
  Invalid
Status in “linux-lts-saucy” source package in Trusty:
  Invalid
Status in “linux-mvl-dove” source package in Trusty:
  Invalid
Status in “linux-ti-omap4” source package in Trusty:
  Invalid
Status in “linux” source package in Utopic:
  New
Status in “linux-armadaxp” source package in Utopic:
  Invalid
Status in “linux-ec2” source package in Utopic:
  Invalid
Status in “linux-fsl-imx51” source package in Utopic:
  Invalid
Status in “linux-lts-backport-maverick” source package in Utopic:
  New
Status in “linux-lts-backport-natty” source package in Utopic:
  New
Status in “linux-lts-quantal” source package in Utopic:
  Invalid
Status in “linux-lts-raring” source package in Utopic:
  Invalid
Status in “linux-lts-saucy” source package in Utopic:
  Invalid
Status in “linux-mvl-dove” source package in Utopic:
  Invalid
Status in “linux-ti-omap4” source package in Utopic:
  Invalid
Status in “linux” source package in Vivid:
  New
Status in “linux-armadaxp” source package in Vivid:
  Invalid
Status in “linux-ec2” source package in Vivid:
  Invalid
Status in “linux-fsl-imx51” source package in Vivid:
  Invalid
Status in “linux-lts-backport-maverick” source package in Vivid:
  New
Status in “linux-lts-backport-natty” source package in Vivid:
  New
Status in “linux-lts-quantal” source package in Vivid:
  Invalid
Status in “linux-lts-raring” source package in Vivid:
  Invalid
Status in “linux-lts-saucy” source package in Vivid:
  Invalid
Status in “linux-mvl-dove” source package in Vivid:
  Invalid
Status in “linux-ti-omap4” source package in Vivid:
  Invalid

Bug description:
  copying from /dev/zero causes local DoS

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