Kernel
Today we have to tell you about another update, but in this case neither important nor for modern operating systems. Is about a Linux kernel update that Canonical has released for Ubuntu 14.04 LTS, the version of Ubuntu that was launched in April 2014. We remember Ubuntu 14.04 LTS has enjoyed a 5-year support that will come to an end on April 30, at which time it will not receive any more security or application updates .
The problem is that the Linux Kernel 3.13 of the Ubuntu 14.04 LTS operating system Trysty Tahr carries a security problem in all its official flavors that existed in April 2014, which we remember are Ubuntu, Ubuntu MATE, Ubuntu Kylin, Ubuntu Studio, Kubuntu, Lubuntu and Xubuntu. This issue allows a malicious user to use programs as an administrator or user root.
New updated versions of kernel 3.13.0 now available
More specifically, this flaw detected by Jahn Horn of Google Project Zero allows an attacker to gain access to services that store authorizations in the cache and run programs such as administrator privileges. To avoid it, Canonical recommends all Ubuntu 14.04 users to update their operating systems as soon as possible, for which it will be enough to run the Software Center and install the updates.
The new versions have not even changed the main numbers, staying in the v3.13.0-166.216. There is also an update for users using Ubuntu 12.04 ESM which is v3.13.0.166.216 ~ precise1. With the latter, Ubuntu 12.04 ESM will have received support, albeit at least, 7 years after its release. After the installation, you will have to restart the computer and remove the old packages, for which you will have to open a terminal and type the command sudo apt autoremove.
If you are still using Ubuntu 14.04 and you are worried about what will happen as of April 30, riding a this article We tell you both what will happen and what to do to avoid it.