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[Launchpad Bug Tracker <1151527@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux-ti-omap4 - 3.2.0-1438.57

---------------
linux-ti-omap4 (3.2.0-1438.57) precise; urgency=low

  * Release Tracking Bug
    - LP: #1223607

  [ Paolo Pisati ]

  * rebased on Ubuntu-3.2.0-54.82

  [ Ubuntu: 3.2.0-54.82 ]

  * Release Tracking Bug
    - LP: #1223490
  * Revert "zram: use zram->lock to protect zram_free_page() in swap free
    notify path"
    - LP: #1215513
  * x86 thermal: Delete power-limit-notification console messages
    - LP: #1215748
  * x86 thermal: Disable power limit notification interrupt by default
    - LP: #1215748
  * ARM: 7810/1: perf: Fix array out of bounds access in
    armpmu_map_hw_event()
    - LP: #1216442
    - CVE-2013-4254
  * ARM: 7809/1: perf: fix event validation for software group leaders
    - LP: #1216442
    - CVE-2013-4254
  * xfs: fix _xfs_buf_find oops on blocks beyond the filesystem end
    - LP: #1151527
    - CVE-2013-1819
  * cifs: don't instantiate new dentries in readdir for inodes that need to
    be revalidated immediately
    - LP: #1222442
 -- Paolo Pisati <paolo.pisati@xxxxxxxxxxxxx>   Mon, 16 Sep 2013 18:33:05 +0200

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https://bugs.launchpad.net/bugs/1151527

Title:
  CVE-2013-1819

Status in “linux” package in Ubuntu:
  Fix Committed
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:
  Invalid
Status in “linux-lts-backport-natty” package in Ubuntu:
  Invalid
Status in “linux-lts-backport-oneiric” package in Ubuntu:
  Invalid
Status in “linux-lts-quantal” package in Ubuntu:
  Invalid
Status in “linux-lts-raring” package in Ubuntu:
  Invalid
Status in “linux-mvl-dove” package in Ubuntu:
  Invalid
Status in “linux-ti-omap4” package in Ubuntu:
  Fix Committed
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:
  Invalid
Status in “linux-lts-backport-natty” source package in Lucid:
  Won't Fix
Status in “linux-lts-backport-oneiric” source package in Lucid:
  Invalid
Status in “linux-lts-quantal” source package in Lucid:
  Invalid
Status in “linux-lts-raring” 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:
  Fix Released
Status in “linux-armadaxp” source package in Precise:
  Fix Released
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-lts-quantal” source package in Precise:
  Fix Released
Status in “linux-lts-raring” source package in Precise:
  Invalid
Status in “linux-mvl-dove” source package in Precise:
  Invalid
Status in “linux-ti-omap4” source package in Precise:
  Fix Released
Status in “linux” source package in Quantal:
  Fix Released
Status in “linux-armadaxp” source package in Quantal:
  Fix Committed
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-lts-quantal” source package in Quantal:
  Invalid
Status in “linux-lts-raring” source package in Quantal:
  Invalid
Status in “linux-mvl-dove” source package in Quantal:
  Invalid
Status in “linux-ti-omap4” source package in Quantal:
  Fix Released
Status in “linux” source package in Raring:
  Fix Committed
Status in “linux-armadaxp” source package in Raring:
  Invalid
Status in “linux-ec2” source package in Raring:
  Invalid
Status in “linux-fsl-imx51” source package in Raring:
  Invalid
Status in “linux-lts-backport-maverick” source package in Raring:
  Invalid
Status in “linux-lts-backport-natty” source package in Raring:
  Invalid
Status in “linux-lts-backport-oneiric” source package in Raring:
  Invalid
Status in “linux-lts-quantal” source package in Raring:
  Invalid
Status in “linux-lts-raring” source package in Raring:
  Invalid
Status in “linux-mvl-dove” source package in Raring:
  Invalid
Status in “linux-ti-omap4” source package in Raring:
  Fix Committed
Status in “linux” source package in Saucy:
  Fix Committed
Status in “linux-armadaxp” source package in Saucy:
  Invalid
Status in “linux-ec2” source package in Saucy:
  Invalid
Status in “linux-fsl-imx51” source package in Saucy:
  Invalid
Status in “linux-lts-backport-maverick” source package in Saucy:
  Invalid
Status in “linux-lts-backport-natty” source package in Saucy:
  Invalid
Status in “linux-lts-backport-oneiric” source package in Saucy:
  Invalid
Status in “linux-lts-quantal” source package in Saucy:
  Invalid
Status in “linux-lts-raring” source package in Saucy:
  Invalid
Status in “linux-mvl-dove” source package in Saucy:
  Invalid
Status in “linux-ti-omap4” source package in Saucy:
  Fix Committed

Bug description:
  The _xfs_buf_find function in fs/xfs/xfs_buf.c in the Linux kernel
  before 3.7.6 does not validate block numbers, which allows local users
  to cause a denial of service (NULL pointer dereference and system
  crash) or possibly have unspecified other impact by leveraging the
  ability to mount an XFS filesystem containing a metadata inode with an
  invalid extent map.

  Break-Fix: 74f75a0cb7033918eb0fa4a50df25091ac75c16e
  eb178619f930fa2ba2348de332a1ff1c66a31424

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