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[Bug 1386395] Re: CVE-2014-8369

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1386395@xxxxxxxxxxxxxxxxxx>
Date: Mon, 12 Jan 2015 19:35:22 -0000
Reply-to: Bug 1386395 <1386395@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug was fixed in the package linux-ti-omap4 - 3.2.0-1458.78

---------------
linux-ti-omap4 (3.2.0-1458.78) precise; urgency=low

  * Release Tracking Bug
    - LP: #1403239

  [ Luis Henriques ]

  * rebased on Ubuntu-3.2.0-75.110

  [ Ubuntu: 3.2.0-75.110 ]

  * Release Tracking Bug
    - LP: #1403154
  * kvm: fix excessive pages un-pinning in kvm_iommu_map error path.
    - LP: #1386395
    - CVE-2014-8369
  * KVM: x86: Don't report guest userspace emulation error to userspace
    - LP: #1392823
    - CVE-2014-7842
  * drivers:scsi:storvsc: Fix a bug in handling ring buffer failures that
    may result in I/O freeze
    - LP: #1400289
  * net:socket: set msg_namelen to 0 if msg_name is passed as NULL in
    msghdr struct from userland.
    - LP: #1335478

  [ Ubuntu: 3.2.0-74.109 ]

  * Release Tracking Bug
    - LP: #1400709
  * x86_64, traps: Stop using IST for #SS
    - LP: #1398795
    - CVE-2014-9090
  * x86_64, traps: Fix the espfix64 #DF fixup and rewrite it in C
    - LP: #1398795
    - CVE-2014-9090
  * x86_64, traps: Rework bad_iret
    - LP: #1398795
    - CVE-2014-9090
  * x86, kvm: Clear paravirt_enabled on KVM guests for espfix32's benefit
    - LP: #1400314
    - CVE-2014-8134
 -- Luis Henriques <luis.henriques@xxxxxxxxxxxxx>   Thu, 18 Dec 2014 10:59:10 +0000

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https://bugs.launchpad.net/bugs/1386395

Title:
  CVE-2014-8369

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:
  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-lts-trusty package in Ubuntu:
  Invalid
Status in linux-lts-utopic 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:
  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-lts-trusty source package in Lucid:
  Invalid
Status in linux-lts-utopic 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:
  New
Status in linux-lts-backport-natty source package in Precise:
  New
Status in linux-lts-quantal source package in Precise:
  Fix Committed
Status in linux-lts-raring source package in Precise:
  Invalid
Status in linux-lts-saucy source package in Precise:
  Fix Committed
Status in linux-lts-trusty source package in Precise:
  Fix Released
Status in linux-lts-utopic 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 Trusty:
  Fix Released
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-lts-trusty source package in Trusty:
  Invalid
Status in linux-lts-utopic source package in Trusty:
  Fix Released
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:
  Fix Released
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-lts-trusty source package in Utopic:
  Invalid
Status in linux-lts-utopic 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:
  Fix Committed
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-lts-trusty source package in Vivid:
  Invalid
Status in linux-lts-utopic 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:
  The kvm_iommu_map_pages function in virt/kvm/iommu.c in the Linux
  kernel through 3.17.2 miscalculates the number of pages during the
  handling of a mapping failure, which allows guest OS users to cause a
  denial of service (host OS page unpinning) or possibly have
  unspecified other impact by leveraging guest OS privileges.  NOTE:
  this vulnerability exists because of an incorrect fix for
  CVE-2014-3601.

  Break-Fix: 350b8bdd689cd2ab2c67c8a86a0be86cfa0751a7
  3d32e4dbe71374a6780eaf51d719d76f9a9bf22f

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References

[Bug 1386395] [NEW] CVE-2014-8369
From: John Johansen, 2014-10-27