The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: linux-image-4.4.0-22-generic 4.4.0-22.39~14.04.1 linux-image-4.4.0-22-generic-lpae 4.4.0-22.39~14.04.1 linux-image-4.4.0-22-lowlatency 4.4.0-22.39~14.04.1 linux-image-4.4.0-22-powerpc-e500mc 4.4.0-22.39~14.04.1 linux-image-4.4.0-22-powerpc-smp 4.4.0-22.39~14.04.1 linux-image-4.4.0-22-powerpc64-emb 4.4.0-22.39~14.04.1 linux-image-4.4.0-22-powerpc64-smp 4.4.0-22.39~14.04.1 After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well.
https://ubuntu.com/security/notices/USN-2965-2
https://ubuntu.com/security/notices/USN-2965-1
CVE-2016-2184, CVE-2016-2185, CVE-2016-2186, CVE-2016-2188,
CVE-2016-2847, CVE-2016-3136, CVE-2016-3137, CVE-2016-3138,
CVE-2016-3140, CVE-2016-3156, CVE-2016-3157, CVE-2016-3672,
CVE-2016-3689, CVE-2016-3951, CVE-2016-3955, CVE-2016-4557
https://launchpad.net/ubuntu/+source/linux-lts-xenial/4.4.0-22.39~14.04.1
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