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[Bug 1566580] Re: CVE-2015-8839

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Steve Beattie <sbeattie@xxxxxxxxxx>
Date: Fri, 06 May 2016 00:21:12 -0000
Reply-to: Bug 1566580 <1566580@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: linux-snapdragon (Ubuntu Precise)
       Status: New => Invalid

** Changed in: linux-snapdragon (Ubuntu Precise)
   Importance: Undecided => Medium

** Changed in: linux-snapdragon (Ubuntu Wily)
       Status: New => Invalid

** Changed in: linux-snapdragon (Ubuntu Wily)
   Importance: Undecided => Medium

** Changed in: linux-snapdragon (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: linux-snapdragon (Ubuntu Yakkety)
   Importance: Undecided => Medium

** Changed in: linux-snapdragon (Ubuntu Trusty)
       Status: New => Invalid

** Changed in: linux-snapdragon (Ubuntu Trusty)
   Importance: Undecided => Medium

** Description changed:

- [ext4 data corruption due to punch hole races]
+ Multiple race conditions in the ext4 filesystem implementation in the
+ Linux kernel before 4.5 allow local users to cause a denial of service
+ (disk corruption) by writing to a page that is associated with a
+ different user's file after unsynchronized hole punching and page-fault
+ handling.
  
  Break-Fix: - ea3d7209ca01da209cda6f0dea8be9cc4b7a933b
  Break-Fix: - 17048e8a083fec7ad841d88ef0812707fbc7e39f
  Break-Fix: - 32ebffd3bbb4162da5ff88f9a35dd32d0a28ea70
  Break-Fix: - 011278485ecc3cd2a3954b5d4c73101d919bf1fa

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-armadaxp in Ubuntu.
https://bugs.launchpad.net/bugs/1566580

Title:
  CVE-2015-8839

Status in linux package in Ubuntu:
  New
Status in linux-armadaxp package in Ubuntu:
  Invalid
Status in linux-flo package in Ubuntu:
  New
Status in linux-goldfish 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-lts-vivid package in Ubuntu:
  Invalid
Status in linux-lts-wily package in Ubuntu:
  Invalid
Status in linux-lts-xenial package in Ubuntu:
  Invalid
Status in linux-mako package in Ubuntu:
  New
Status in linux-manta package in Ubuntu:
  Invalid
Status in linux-raspi2 package in Ubuntu:
  New
Status in linux-snapdragon package in Ubuntu:
  New
Status in linux-ti-omap4 package in Ubuntu:
  Invalid
Status in linux source package in Precise:
  New
Status in linux-armadaxp source package in Precise:
  New
Status in linux-flo source package in Precise:
  Invalid
Status in linux-goldfish source package in Precise:
  Invalid
Status in linux-lts-quantal source package in Precise:
  Invalid
Status in linux-lts-raring source package in Precise:
  Invalid
Status in linux-lts-saucy source package in Precise:
  Invalid
Status in linux-lts-trusty source package in Precise:
  New
Status in linux-lts-utopic source package in Precise:
  Invalid
Status in linux-lts-vivid source package in Precise:
  Invalid
Status in linux-lts-wily source package in Precise:
  Invalid
Status in linux-lts-xenial source package in Precise:
  Invalid
Status in linux-mako source package in Precise:
  Invalid
Status in linux-manta source package in Precise:
  Invalid
Status in linux-raspi2 source package in Precise:
  Invalid
Status in linux-snapdragon 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-flo source package in Trusty:
  Invalid
Status in linux-goldfish source package in Trusty:
  Invalid
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:
  New
Status in linux-lts-vivid source package in Trusty:
  New
Status in linux-lts-wily source package in Trusty:
  New
Status in linux-lts-xenial source package in Trusty:
  New
Status in linux-mako source package in Trusty:
  Invalid
Status in linux-manta source package in Trusty:
  Invalid
Status in linux-raspi2 source package in Trusty:
  Invalid
Status in linux-snapdragon source package in Trusty:
  Invalid
Status in linux-ti-omap4 source package in Trusty:
  Invalid
Status in linux source package in Vivid:
  New
Status in linux-armadaxp source package in Vivid:
  New
Status in linux-flo source package in Vivid:
  New
Status in linux-goldfish source package in Vivid:
  New
Status in linux-lts-quantal source package in Vivid:
  New
Status in linux-lts-raring source package in Vivid:
  New
Status in linux-lts-saucy source package in Vivid:
  New
Status in linux-lts-trusty source package in Vivid:
  New
Status in linux-lts-utopic source package in Vivid:
  New
Status in linux-lts-vivid source package in Vivid:
  New
Status in linux-lts-wily source package in Vivid:
  New
Status in linux-lts-xenial source package in Vivid:
  New
Status in linux-mako source package in Vivid:
  New
Status in linux-manta source package in Vivid:
  New
Status in linux-raspi2 source package in Vivid:
  New
Status in linux-snapdragon source package in Vivid:
  New
Status in linux-ti-omap4 source package in Vivid:
  New
Status in linux source package in Wily:
  New
Status in linux-armadaxp source package in Wily:
  Invalid
Status in linux-flo source package in Wily:
  New
Status in linux-goldfish source package in Wily:
  New
Status in linux-lts-quantal source package in Wily:
  Invalid
Status in linux-lts-raring source package in Wily:
  Invalid
Status in linux-lts-saucy source package in Wily:
  Invalid
Status in linux-lts-trusty source package in Wily:
  Invalid
Status in linux-lts-utopic source package in Wily:
  Invalid
Status in linux-lts-vivid source package in Wily:
  Invalid
Status in linux-lts-wily source package in Wily:
  Invalid
Status in linux-lts-xenial source package in Wily:
  Invalid
Status in linux-mako source package in Wily:
  New
Status in linux-manta source package in Wily:
  New
Status in linux-raspi2 source package in Wily:
  New
Status in linux-snapdragon source package in Wily:
  Invalid
Status in linux-ti-omap4 source package in Wily:
  Invalid
Status in linux source package in Xenial:
  New
Status in linux-armadaxp source package in Xenial:
  Invalid
Status in linux-flo source package in Xenial:
  New
Status in linux-goldfish source package in Xenial:
  New
Status in linux-lts-quantal source package in Xenial:
  Invalid
Status in linux-lts-raring source package in Xenial:
  Invalid
Status in linux-lts-saucy source package in Xenial:
  Invalid
Status in linux-lts-trusty source package in Xenial:
  Invalid
Status in linux-lts-utopic source package in Xenial:
  Invalid
Status in linux-lts-vivid source package in Xenial:
  Invalid
Status in linux-lts-wily source package in Xenial:
  Invalid
Status in linux-lts-xenial source package in Xenial:
  Invalid
Status in linux-mako source package in Xenial:
  New
Status in linux-manta source package in Xenial:
  Invalid
Status in linux-raspi2 source package in Xenial:
  New
Status in linux-snapdragon source package in Xenial:
  New
Status in linux-ti-omap4 source package in Xenial:
  Invalid
Status in linux source package in Yakkety:
  New
Status in linux-armadaxp source package in Yakkety:
  Invalid
Status in linux-flo source package in Yakkety:
  New
Status in linux-goldfish source package in Yakkety:
  New
Status in linux-lts-quantal source package in Yakkety:
  Invalid
Status in linux-lts-raring source package in Yakkety:
  Invalid
Status in linux-lts-saucy source package in Yakkety:
  Invalid
Status in linux-lts-trusty source package in Yakkety:
  Invalid
Status in linux-lts-utopic source package in Yakkety:
  Invalid
Status in linux-lts-vivid source package in Yakkety:
  Invalid
Status in linux-lts-wily source package in Yakkety:
  Invalid
Status in linux-lts-xenial source package in Yakkety:
  Invalid
Status in linux-mako source package in Yakkety:
  New
Status in linux-manta source package in Yakkety:
  Invalid
Status in linux-raspi2 source package in Yakkety:
  New
Status in linux-snapdragon source package in Yakkety:
  New
Status in linux-ti-omap4 source package in Yakkety:
  Invalid

Bug description:
  Multiple race conditions in the ext4 filesystem implementation in the
  Linux kernel before 4.5 allow local users to cause a denial of service
  (disk corruption) by writing to a page that is associated with a
  different user's file after unsynchronized hole punching and page-
  fault handling.

  Break-Fix: - ea3d7209ca01da209cda6f0dea8be9cc4b7a933b
  Break-Fix: - 17048e8a083fec7ad841d88ef0812707fbc7e39f
  Break-Fix: - 32ebffd3bbb4162da5ff88f9a35dd32d0a28ea70
  Break-Fix: - 011278485ecc3cd2a3954b5d4c73101d919bf1fa

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References

[Bug 1566580] [NEW] CVE-2015-8839
From: Steve Beattie, 2016-04-06