Linux kernel vulnerability have been discovered recently (CVE-2017-6074). It may be exploited to achieve kernel code execution from an unprivileged processes. For example an attacker can overwrite the content of an object in kernel by using some of the kernel heap spraying techniques.
Thanks to this vulnerability an offender can get access to the kernel of your OS and launch a malicious code inflicting a large vary of potential damage: from sending spam to complete server failure.
In order to safeguard your server it’s necessary to update an OS to the latest version that fixes the vulnerability. updating OS kernel needs server reboot what suggests that an extra downtime of your server. so as to avoid downtime and solve the problem on the fly we tend to extremely suggest to use KernelCare. The given application running within the background allows to install the most recent patch without rebooting a server.
If you have a KernelCare installed, all the necessary patches are downloaded and applied already. However if you don’t use KernelCare by this moment – we recommend to install it according to their documentation.
Source : ispsystem.com