KernelCare Blog

KernelCare Blog

by / Wednesday, 13 September 2017
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...

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Topic: in KernelCare Blog


by / Tuesday, 22 August 2017
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...

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Topic: in KernelCare Blog Imunify360 Blog


by / Thursday, 03 August 2017
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...

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Topic: in KernelCare Blog


by / Wednesday, 12 July 2017
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...

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Topic: in KernelCare Blog


by / Tuesday, 20 June 2017
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...

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Topic: in KernelCare Blog


by / Thursday, 20 April 2017
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...

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Topic: in KernelCare Blog


by / Thursday, 13 April 2017
“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...

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Topic: in CloudLinux OS Blog KernelCare Blog


by / Wednesday, 05 April 2017
Endurance implemented rebootless updates with KernelCare

A few days ago, Endurance has announced that they have implemented KernelCare to keep their servers secure and limit interruptions. Endurance is a leading provider of cloud-based platform solutions, and they have deployed KernelCare rebootless update service on shared and dedicated web servers...

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Topic: in KernelCare Blog


by / Thursday, 30 March 2017
Issues caused by the latest KernelCare update and what we will do to ensure it never happens again

UPDATE: Mar 30 - 10am pacific timezone. 24h feed was updated with the same issue due to technician incorrectly removing "at" job. This has been fixed shortly, but some systems have been affected.

We want to apologize for the KernelCare incident that affected some of our customers yesterday....

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by / Wednesday, 29 March 2017
Issues caused by the latest KernelCare update

We’ve received reports that our latest patchset affected some CentOS/CloudLinux/OpenVZ 6 kernels. We’ve immediately rolled back the patch, have evaluated the issue and identified the cause to prevent issues in the future releases. Please accept our apologies and standby for additional...

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Topic: in KernelCare Blog


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