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Virtuozzo 6.0 Update 11 Hotfix 17 (6.0.11-3485)

Last Updated: Oct 22, 2016 01:00PM UTC

Issue date:        2016-10-22

1. What's Included in This Update

This update includes a new Virtuozzo 6.0 kernel 2.6.32-042stab120.3 based on the Red Hat Enterprise Linux 6.8 kernel 2.6.32-642.6.1.el6. The new kernel introduces a security fix.

2. Bug Fixes

- mm: Privilege escalation via MAP_PRIVATE COW breakage. (CVE-2016-5195) A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only memory mappings. An unprivileged local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on the system. All Linux kernels starting from 2.6.22 are affected.

3. Obtaining the Update

You can download and install the update using the yum utility included in the Virtuozzo 6.0 distribution.

4. References

https://www.redhat.com/security/data/cve/CVE-2016-5195.html

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