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[Bug 1362443] Re: CVE-2014-3601

 

** Changed in: linux-lts-quantal (Ubuntu Precise)
       Status: New => Fix Committed

** Changed in: linux-ti-omap4 (Ubuntu Precise)
       Status: New => Fix Committed

** Description changed:

- [kvm: invalid parameter passing in kvm_iommu_map_pages()]
+ The kvm_iommu_map_pages function in virt/kvm/iommu.c in the Linux kernel
+ through 3.16.1 miscalculates the number of pages during the handling of
+ a mapping failure, which allows guest OS users to (1) cause a denial of
+ service (host OS memory corruption) or possibly have unspecified other
+ impact by triggering a large gfn value or (2) cause a denial of service
+ (host OS memory consumption) by triggering a small gfn value that leads
+ to permanently pinned pages.
  
  Break-Fix: fcd95807fb61e67d602610e7ff7129ed769e9fee
  350b8bdd689cd2ab2c67c8a86a0be86cfa0751a7

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https://bugs.launchpad.net/bugs/1362443

Title:
  CVE-2014-3601

Status in “linux” package in Ubuntu:
  Fix Released
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:
  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-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 Committed
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:
  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:
  New
Status in “linux-mvl-dove” source package in Precise:
  Invalid
Status in “linux-ti-omap4” source package in Precise:
  Fix Committed
Status in “linux” source package in Trusty:
  Fix Committed
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:
  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-mvl-dove” source package in Utopic:
  Invalid
Status in “linux-ti-omap4” source package in Utopic:
  Invalid

Bug description:
  The kvm_iommu_map_pages function in virt/kvm/iommu.c in the Linux
  kernel through 3.16.1 miscalculates the number of pages during the
  handling of a mapping failure, which allows guest OS users to (1)
  cause a denial of service (host OS memory corruption) or possibly have
  unspecified other impact by triggering a large gfn value or (2) cause
  a denial of service (host OS memory consumption) by triggering a small
  gfn value that leads to permanently pinned pages.

  Break-Fix: fcd95807fb61e67d602610e7ff7129ed769e9fee
  350b8bdd689cd2ab2c67c8a86a0be86cfa0751a7

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