kernel-packages team mailing list archive

[Mathew Hodson <mathew.hodson@xxxxxxxxx>]

** Summary changed:

- privilege escalation on attach through ptrace
+ CVE-2015-8709

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https://bugs.launchpad.net/bugs/1527374

Title:
  CVE-2015-8709

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

Bug description:
  A kernel bug in user namespaces allows root in a container to ptrace
  host-root-owned tasks during a window of opportunity during lxc-attach
  / 'lxc exec', before they drop privilege by doing setuid to the
  container root uid.

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