Kernel developer Andrey Konovalov discover a new major local privilege escalation vulnerability CVE-2017-6074 in the Linux kernel last week. The vulnerability can be exploited to escalate privileges and allows an unprivileged local user to gain root access to the server. This is very serious issue if outsider can take access of any server. The original owner may loose the control over his own server. O am sure you can imagine, how critical it would be!
It can be exploited to gain kernel code execution from an unprivileged processes. It affects most kernels, and to patch them, you’ll need to reboot. Many hosting provider have their own tools, by which they maintain this update at zero downtime. But if you want to follow the normal procedure, you can find the recent patched within the Linux kernel:
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