KernelCare Blog - CloudLinux Blog - Page 4
KernelCare Blog

We are making better marketing materials - please help us prioritize with this SURVEY!
Tags:

We are making better marketing materials - please help us prioritize with this SURVEY!

We are making better marketing materials - please help us prioritize with this SURVEY!
We at CloudLinux always try to gather actionable insights from the hosting community and our customers, in order to improve and expand our products, and to deliver better services to you. Today, we’d like to ask you to participate in our marketing survey . We would appreciate feedback from our customers (as well as non-customers). It will help Clou...
Continue reading
  2724 Hits
  0 Comments
Updates for a blog post "The Symlink Protection patchset"

Updates for a blog post "The Symlink Protection patchset"

Updates for a blog post "The Symlink Protection patchset"
Please note that we have updated a blog post The Symlink Protection patchset . We have eliminated errors and implemented changes. Now you can confidently use these instructions to get the patches. We apologize for the inconveniences.
  1645 Hits
  0 Comments
The Symlink Protection patchset is available for free for CentOS 6 & 7, even if you are not running KernelCare
Tags:

The Symlink Protection patchset is available for free for CentOS 6 & 7, even if you are not running KernelCare

The Symlink Protection patchset is available for free for CentOS 6 & 7, even if you are not running KernelCare
A few weeks ago we released the KernelCare "Extra" Patchset with the security fixes and the symlink protection available to all KernelCare customers running CentOS kernels. Today we are pleased to share that you can get the Symlink Protection Patchset for CentOS 6 and 7 at no cost, even if you don’t have licenses of KernelCare. We’ve been discussin...
Continue reading
Recent Comments
Igor Seletskiy
sorry, it should have been: kcarectl --set-patch-type free
Thursday, 05 October 2017 00:49
Igor Seletskiy
I am sorry, I don't know what you mean.
Thursday, 05 October 2017 21:35
Igor Seletskiy
CloudLinux kernel has it built in out of the box / it is not needed on CloudLinux servers.
Friday, 06 October 2017 14:18
  28391 Hits
  108 Comments
Pagely deployed KernelCare to improve server security and reduce downtime

Pagely deployed KernelCare to improve server security and reduce downtime

Pagely deployed KernelCare to improve server security and reduce downtime
REBOOT-BE-GONE WITH KERNELCARE & PAGELY! We are excited to share that Pagely, the enterprise managed WordPress hosting provider, has deployed KernelCare for their WordPress hosted customers. KernelCare keeps Linux servers secure, allowing Pagely to apply the latest security patches to their server's kernel quickly and without the requirement fo...
Continue reading
  2361 Hits
  0 Comments
The KernelCare "Extra" Patchset for CentOS 6 & 7 with symlink protection is here

The KernelCare "Extra" Patchset for CentOS 6 & 7 with symlink protection is here

The KernelCare "Extra" Patchset for CentOS 6 & 7 with symlink protection is here
The KernelCare extra patchset includes all the security fixes from KernelCare for CentOS 6 and CentOS 7, as well as the symlink protection against a symlink race. A symlink race attack is often used against shared hosting servers. It allows a malicious user to serve files that belong to other users by creating a symbolic link to those files. It is ...
Continue reading
Recent Comments
Igor Seletskiy
Make sure you have the latest version of kernelcare. Do yum update kernelcare --> it should help.
Wednesday, 23 August 2017 02:07
Igor Seletskiy
It is only for CentOS. CloudLinux OS doesn't need that patch, as it is already included into native kernel.
Wednesday, 23 August 2017 02:08
Igor Seletskiy
kcarectl --set-patch-type default
Wednesday, 23 August 2017 12:12
  14444 Hits
  17 Comments
New privilege escalation vulnerability found in Linux kernel

New privilege escalation vulnerability found in Linux kernel

New privilege escalation vulnerability found in Linux kernel
A race condition in Linux kernel was disclosed today, August 3rd, 2017 (see CVE-2017-7533 ). It can be exploited to allows an unprivileged local user to gain root access to the server. Currently, there is an existing working exploit allowing privileges escalation for 32 bit kernels. It is unclear whether such exploit exists for 64 bit kernels, but ...
Continue reading
  6100 Hits
  0 Comments
LibCare, a toolset for livepatching of user space software, is now available as Open Source on GitHub
Tags:

LibCare, a toolset for livepatching of user space software, is now available as Open Source on GitHub

LibCare, a toolset for livepatching of user space software, is now available as Open Source on GitHub
I am super thrilled to let you know that we have published a toolset for livepathing of user space software , called LibCare, to GitHub. It is released under the GPL2 license and allows software developers to develop and apply patches to their running software without the need to restart it. Similar to our commercially available KernelCare service,...
Continue reading
  4366 Hits
  1 Comment
Major vulnerability: The Stack Clash security issue found that affects most Linux kernels
Tags:

Major vulnerability: The Stack Clash security issue found that affects most Linux kernels

Major vulnerability: The Stack Clash security issue found that affects most Linux kernels
[Last updated Jun 22, 12:05PM PDT] A new major local privilege escalation vulnerability in the Linux kernel was disclosed yesterday, June 19th, 2017 (CVE-2017-1000364). The vulnerability can be exploited to allows an unprivileged local user to gain root access to the server. The Qualys' security advisory shows practical methods for circumventing an...
Continue reading
Recent Comments
Igor Seletskiy
Yes, we will notify as it hits production. We just pushed CL7/CL6Hybrid patches to test. If anyone can test by running: kcarectl -... Read More
Tuesday, 20 June 2017 21:08
Igor Seletskiy
CentOS5 is EOL and new patches will not be added.
Wednesday, 21 June 2017 12:07
Igor Seletskiy
CL7 / CL6hybrid is out CL6 should be added in 6-8 hours
Wednesday, 21 June 2017 12:08
  16464 Hits
  14 Comments
KernelCare is now available in ISPmanager Lite
Tags:

KernelCare is now available in ISPmanager Lite

KernelCare is now available in ISPmanager Lite
ISPsystem resellers can enable resale of KernelCare directly to their customers In the beginning of April, ISPsystem has offered KernelCare for purchase directly from their control panel, and now it is also available for users of ISPmanager Lite. ISPmanager Lite provides a rich feature set for managing websites, creating users, handling domains, em...
Continue reading
  4903 Hits
  0 Comments
“Out with the old, in with the new” initiative continues - new customer support experience ahead
Tags:

“Out with the old, in with the new” initiative continues - new customer support experience ahead

“Out with the old, in with the new” initiative continues - new customer support experience ahead
Post updated on April 25th, 2017 Dear CloudLinux Customer, I would like to share with you another upgrade CloudLinux is making as part of the “Out with the old, in with the new” initiative. First, a bit of background. For years, our helpdesk tool allowed us to handle tens of thousands of support tickets that customers send us. No matter the type of...
Continue reading
Recent Comments
Dmitry Oronov
I am sorry for the inconvenience. Based on your feedback, and a few other customers, we’ve decided to allow access to the new Zend... Read More
Tuesday, 18 April 2017 18:05
  4259 Hits
  2 Comments