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Virtuozzo (formerly Parallels Cloud Server) 6.0 Update 10 Hotfix 9 (6.0.10-3178)

Last Updated: Sep 08, 2016 03:02PM UTC

Issue date: 2015-12-25

1. What's Included in This Update

This update includes a new Virtuozzo (formerly Parallels Cloud Server) 6.0 kernel (2.6.32-042stab113.11) based on the Red Hat Enterprise Linux 6.7 kernel (2.6.32-573.8.1.el6). The new kernel is a rebase to a new Red Hat Enterprise Linux kernel and inherits all stability fixes from it. Additionally, the new kernel contains a number of security fixes from RHEL kernel 2.6.32-573.12.1.el6 as well as a number of internal security and stability fixes.

2. Bug Fixes

  • Unauthorized access to IPC objects with SysV shm and msg. (CVE-2015-7613)
  • Updated fix for keyrings crash triggerable by unprivileged user. (CVE-2015-7872)
  • Crash in cgroup_release_agent() after container stop. (PSBM-34262)
  • Unix socket was restored incorrectly after container resume. (PSBM-39774)
  • Kernel panic when online-migrating a container with an active conntrack expectation from Virtuozzo Containers for Linux 4.6 (RHEL5) to RHEL6-based kernels. (PSBM-40287)
  • WARNING in tty_ldisc_open(). (PSBM-41622)
  • ip6_dst_cache entries should be charged inside container. (PSBM-42323)
  • Introduced a per-container limit for IPv4 network interface aliases. (PSBM-42403)
  • Improvements to memory reclaimer. (PSBM-40406)
  • Crash on start of containers with the hidden PIDs feature enabled (kernel.pid_ns_hide_child=1). (OVZ-6568)
  • Improvements to Docker operation inside containers.
  • Minor memory leak fixes and performance optimizations.

3. Obtaining the Update

You can download and install the update using the yum utility included in the Virtuozzo (formerly Parallels Cloud Server) 6.0 distribution.

4. References

https://rhn.redhat.com/errata/RHBA-2015-1992.html
https://rhn.redhat.com/errata/RHSA-2015-2636.html
https://access.redhat.com/security/cve/CVE-2015-7613
https://access.redhat.com/security/cve/CVE-2015-7872


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