Addressing the issue with DST Root CA X3 Expiration, you might face a situation where CLoudLinux OS repositories are not accessible.

It can affect CloudLinux OS 6 ELS, CloudLinux OS 7, and KernelCare customers using CentOS 7.

To solve the issue, get the following updates.

yum update openssl* --enablerepo=cloudlinux-rollout-3-bypass

For CentOS 6 ELS:

yum update openssl* --enablerepo=ELS6-rollout-4-bypass

yum clean all
yum update ca-certificates