Posts Tagged ‘Linux’

Stay safe: how to install the patch for Linux bug CVE-2016-0728

200px-Tux.svgA security bug affecting Linux versions 3.8 and higher was recently identified. Although this bug (CVE-2016-0728) was first introduced into the Linux Kernel in 2012, it was only discovered and made public a few days ago. When we learned of the bug’s existence, we immediately patched all internal LeaseWeb servers. We advise everyone to patch their servers as well.

The vulnerability in the Linux kernel could potentially be used by attackers in order to obtain higher privileges from a regular account. It uses a technique called “use-after-free” to control the way memory is freed on kernel objects which is then replaced with user supplied data, while keeping the privileges of that memory object.

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