Issue in Updating the Kernel

Security
1

Hi Team,

We can see in the Release Notes that kernel version 5.14.0-284.11.1 is part of the 9.2 release.

However, when we provision new instances in AWS, after running yum update -y, we can see the latest kernel, 5.14.0-284.18.1.el9_2, is being downloaded, however, when we try to update to 5.14.0-284.18.1.el9_2 (yum install kernel -y), the new kernel gets installed,but after reboot nothing happens, the older kernel still persists. (newer kernel is not getting applied)

Is this expected?

What is expected future behaviours? If there are security vulnerabilities and kernel patches need to be applied, are we going to have issues with AlmaLinux?

With CentOS we typically received new kernel updates every quarter, can we expect the same from AlmaLinux?

We’re in the process of migrating a couple of thousand servers to AlmaLinux, and this could be a blocker.

1 Like
2

When this happens it is often something in the dracut initramfs rebuild that fails. Only happened for me on a server with some custom kernel module setting. Should be pretty simple to debug by just do a “dnf reinstall” of the kernel and read the logs to see what is going on.