Canonical Patches Multiple Kernel Vulnerabilities in All Supported Ubuntu OSes

The kernel vulnerabilities listed below affect users of Ubuntu 16.04 LTS (Xenial Xerus), Ubuntu 14.04 LTS (Trusty Tahr), and Ubuntu 12.04 LTS (Precise Pangolin), but also all the official flavors that have a release in one of these branches, including but not limited to Kubuntu, Xubuntu, Lubuntu, Edubuntu, Ubuntu MATE, Ubuntu GNOME, and Mythbuntu. Canonical urges all users of the Ubuntu 16.04 LTS (Xenial Xerus), Ubuntu 14.04 LTS (Trusty Tahr), Ubuntu 12.04 LTS (Precise Pangolin), as well as their official derivatives to update the kernel packages to linux-image-4.4.0-34 (4.4.0-34.53) for Ubuntu 16.04 LTS, linux-image-4.4.0-1019-raspi2 (4.4.0-1019.25) for Ubuntu 16.04 LTS for Raspberry Pi, linux-image-3.13.0-93 (3.13.0-93.140) for Ubuntu 14.04 LTS, and linux-image-3.2.0-107 (3.2.0-107.148) for Ubuntu 12.04 LTS.