How to check if kernel is properly updated/patched?

I have received an email from Digital Ocean to update the OS to mitigate the industry-wide security vulnerabilities known as Meltdown and Spectre

Quote from email: To simplify the act of patching, we have recently updated Droplets to utilize a GrubLoader. On certain legacy Droplets, this may cause issues if the kernel is not upgraded.

This is the link that I am referred to about the upgrade:

I am running CentOS 6, I have executed the following

yum update
yum update kernel

When I do uname -r I still get:


But when I do yum install kernel I get:

Package kernel-2.6.32-696.20.1.el6.x86_64 already installed and latest version

Does that mean the kernel is not updated accordingly?

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Accepted Answer

I have just realised I need to update the kernel from DO dashboard where for CentOS6 I need to select GrubLoader v0.1, after power off, and once the machine is rebooted, I have noticed the kernel is using the latest installed version

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Same error here… Seens like the grub still using the old version…