KernelCare Blog

KernelCare Blog

by / Среда, 03 января 2018
Intel CPU Bug - Meltdown and Spectre - KernelCare and CloudLinux

Update [Jan 16, 2018 8:10am PT]

We are getting very close with Meltdown patches. Our KernelCare team got the patchset working & stable. It is going through extensive code review now, and soon we will send it for ~12 hours of testing. If everything goes through well -- we might have patches...

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Тема: в CloudLinux OS Blog KernelCare Blog


by / Четверг, 07 декабря 2017
KernelCare crashes on CloudLinux 7 & CloudLinux 6 Hybrid

Updated: Dec 7, 2017, 8AM PT

Our previous patch provided the fix of ext4 bug with KernelCare included a bug in unpatch. The bug was triggered by latest patch, and caused some number of servers to crash. The effect of the bug is that servers that use ext4 will crash. If they didn't crash - they...

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Тема: в KernelCare Blog


by / Вторник, 14 ноября 2017
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...

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Тема: в CloudLinux OS Blog KernelCare Blog Imunify360 Blog


by / Понедельник, 16 октября 2017
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.

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Тема: в KernelCare Blog


by / Среда, 04 октября 2017
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...

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Тема: в KernelCare Blog


by / Среда, 13 сентября 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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Тема: в KernelCare Blog


by / Вторник, 22 августа 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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Тема: в KernelCare Blog Imunify360 Blog


by / Четверг, 03 августа 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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Тема: в KernelCare Blog


by / Среда, 12 июля 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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Тема: в KernelCare Blog


by / Вторник, 20 июня 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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Тема: в KernelCare Blog


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