Hello @Hendric Emmanuel Zapanta ,
AKS product team are working on publishing the updated kernel that contains the fix. More details are available here https://github.com/Azure/AKS/issues/2749 .
Please follow on that thread for additional detailed information.
Also take a look at this: https://github.com/Azure/AKS/issues?q=is%3Aissue%20is%3Aopen%20%20CVE
For your other query , please take a look at the discussion on the below thread:
https://learn.microsoft.com/en-us/answers/questions/124327/is-azure-kubernetes-service-aks-an-iaas-or-paas.html
Regards,
Shiva.