A security issue was discovered in aws-iam-authenticator where an allow-listed IAM identity may be able to modify their username and escalate privileges. https://groups.google.com/a/kubernetes.io/g/dev/c/EMxHpU-1ZYs https://github.com/kubernetes-sigs/aws-iam-authenticator/issues/472
Created golang-sigs-k8s-aws-iam-authenticator tracking bugs for this issue: Affects: fedora-all [bug 2107519]