The yum $releasever variable does not resolve correctly if distroverpkg is configured.

Issue

• $releasever does not resolve correctly

[root@rhel7 ~]# yum update
Loaded plugins: package_upload, product-id, search-disabled-repos, subscription-manager

This system is registered with an entitlement server, but is not receiving updates. You can use subscription-manager to assign subscriptions.

https://cdn.redhat.com/content/dist/rhel/server/7/%24releasever/x86_64/os/repodata/repomd.xml: [Errno 14] HTTPS Error 404 - Not Found
Trying other mirror.

• $releasever resolves to a detailed string of the minor version

[root@rhel7 ~]# yum update
Loaded plugins: package_upload, product-id, search-disabled-repos, subscription-manager

This system is registered with an entitlement server, but is not receiving updates. You can use subscription-manager to assign subscriptions.

https://cdn.redhat.com/content/dist/rhel/server/7/7.9-12.el7_9/x86_64/os/repodata/repomd.xml: [Errno 14] HTTPS Error 404 - Not Found
Trying other mirror.
To address this issue please refer to the below knowledge base article 

https://access.redhat.com/articles/1320623

If above article doesn't help to resolve this issue please open a ticket with Red Hat Support.

https://cdn.redhat.com/content/dist/rhel/server/7/7.9-12.el7_9/x86_64/os/repodata/repomd.xml: [Errno 14] HTTPS Error 404 - Not Found
Trying other mirror.