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Canonical Patches 15 Linux Kernel Vulnerabilities in All Supported Ubuntu OSes

Ubuntu 16.10, 16.04, 14.04, and 12.04 are all affected

Dec 21, 2016 01:07 GMT  ·  By
Updating Ubuntu Linux
   Updating Ubuntu Linux

On December 20, 2016, Canonical published several new USN (Ubuntu Security Notice) advisories to inform users of the popular Ubuntu Linux distribution about the general availability of kernel updates for their operating systems.

According to the latest Ubuntu security notices, it would appear that a total of fifteen security flaws have been patched across all supported Ubuntu OSes, including Ubuntu 16.10 (Yakkety Yak), Ubuntu 16.10 for Raspberry Pi, Ubuntu 16.04 LTS (Xenial Xerus), Ubuntu 16.04 LTS for Raspberry Pi, Ubuntu 14.04 LTS (Trusty Tahr), as well as Ubuntu 12.04 LTS (Precise Pangolin).

Of course, all of their official derivatives are also affected, including Kubuntu, Xubuntu, Lubuntu, Ubuntu MATE, Ubuntu GNOME, Ubuntu Studio, Ubuntu Kylin, etc. Therefore, Canonical recommends all users to update the kernel packages to the versions mentioned below as soon as possible. To update your system, please follow the instructions provided at https://wiki.ubuntu.com/Security/Upgrades.

New security flaws affect all Ubuntu Linux releases, update now

The fifteen kernel vulnerabilities patched by Canonical with today's updated kernel versions are documented as CVE-2016-4568, CVE-2016-6213, CVE-2016-7042, CVE-2016-7097, CVE-2016-7425, CVE-2016-7916, CVE-2016-8630, CVE-2016-8633, CVE-2016-8645, CVE-2016-8658, CVE-2015-8964, CVE-2016-9178, CVE-2016-9313, CVE-2016-9555, and CVE-2016-9644. Read carefully to see how each one is affecting your OS.

These newly discovered Linux kernel vulnerabilities can be corrected if you update your system to linux-image-4.8.0-32 (4.8.0-32.34) for Ubuntu 16.10, linux-image-4.4.0-57 (4.4.0-57.78) for Ubuntu 16.04 LTS, linux-image-3.13.0-106 (3.13.0-106.153) for Ubuntu 14.04 LTS, and linux-image-3.2.0-119 (3.2.0-119.162) for Ubuntu 12.04 LTS. Also, linux-image-4.4.0-1042-snapdragon (4.4.0-1042.46) is available for Ubuntu 16.04 LTS.

Users of Ubuntu 14.04.5 LTS and Ubuntu 12.04.5 LTS need to update the kernels to linux-image-4.4.0-57 (4.4.0-57.78~14.04.1) and linux-image-3.13.0-106 (3.13.0-106.153~precise1), respectively. Additionally, update Ubuntu 16.10 for Raspberry Pi's kernel to linux-image-4.8.0-1021-raspi2 (4.8.0-1021.24) and Ubuntu 16.04 LTS for Raspberry Pi's kernel to linux-image-4.4.0-1038-raspi2 (4.4.0-1038.45). Don't forget to reboot your computers!