Article ID: 123959, created on Dec 17, 2014, last review on Sep 10, 2015

  • Applies to:
  • Virtuozzo containers for Linux 4.7

Issue date: 2014-12-17

1. What's Included in This Update

This update includes a new Virtuozzo Containers for Linux 4.7 kernel (2.6.32-042stab094.8) based on the Red Hat Enterprise Linux 6.5 kernel (2.6.32-431.29.2.el6). The new kernel introduces a security fix.

2. Bug Fixes

  • A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from an #SS (stack segment) fault on an erroneous return to user space. A local, unprivileged Container user could use this flaw to crash the Hardware Node or escalate their privileges on the system. (#PSBM-30745)

3. Obtaining the Update

You can download and install the update using the vzup2date utility included in the Virtuozzo Containers for Linux 4.7 distribution set.

4. References

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