KernelCare Blog

How to fix Dirty COW without rebooting servers

How to fix Dirty COW without rebooting servers

Dirty Cow CVE-2016-5195 exploit is said to be the “Most serious” Linux privilege-escalation bug ever. Within a few days of its discovery, various Linux distributions have released patches to fix it, but to apply those, you need to reboot servers. You either need to cause downtime you haven’t planned for… or wait for the next maintenance window remaining vulnerable until then. But with KernelCare, you can livepatch your servers instantly - protect yourself from critical vulnerabilities such as Dirty Cow WITHOUT rebooting servers.

When you install KernelCare, whether a paid or a trial version, it will bring your kernels up-to-date with all patches instantly. It installs with a single line of code in just minutes, without a reboot, and will ensure you never miss another kernel security patch as they will be automatically installed to your live kernel going forward.

Live security patching of kernels is a premium service offered by several Linux distributions as part of their costly enterprise support. KernelCare live patching software works for most popular Linux distributions and installs kernel security updates without the need to reboot the server for under $3 per server per month. Whether you have a mixed Linux environment or prefer a single distribution, KernelCare will keep your kernels always up-to-date and servers up and running.

Sign up for a free 30-day trial - this trial will patch your kernels instantly, and whether you decide to continue after the trial or not, it will at a minimum bring your security patches up to date and fix the Dirty Cow vulnerability now.

Click here to learn more about KernelCare.

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Out-of-the-box install of KernelCare is supported on most popular Linux distributions including:

  • Red Hat RHEL 5.x, 6.x and 7.x
  • CentOS 5.x, 6.x and 7.x
  • Ubuntu 14.04 LTS and 16.04 LTS
  • Xen4CentOS 6 and Xen4CentOS 7
  • Virtuozzo/OpenVZ 2.6.32
  • Debian 6 and 7
  • See the complete list here

 

Topic: KernelCare Blog

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Comments (1)

 
by Guest - juliuco nikelado / Thursday, 27 October 2016 19:01

gracias por tu blog

gracias por tu blog

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Guest, Thursday, 20 July 2017

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