For clarity, the late addition of bug 2006963 is correct; that bug was fixed by code already in the bootimage bump.

Verify passed with 4.8.0-0.nightly-2021-09-28-165247

1) Get region and ami id
$ oc get clusterversion
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.8.0-0.nightly-2021-09-28-165247   True        False         104m    Cluster version is 4.8.0-0.nightly-2021-09-28-165247
[hhei@fedora ~]$ oc -n openshift-machine-api get machinesets
NAME                                          DESIRED   CURRENT   READY   AVAILABLE   AGE
ci-ln-8birdhk-d5d6b-dg896-worker-us-east-2a   2         2         2       2           138m
ci-ln-8birdhk-d5d6b-dg896-worker-us-east-2b   1         1         1       1           138m

$ oc -n openshift-machine-api get machinesets/ci-ln-8birdhk-d5d6b-dg896-worker-us-east-2a -o yaml | grep -E 'ami|region'

            id: ami-09145c219cb4df3e1
            region: us-east-2

2) Get release version
$ oc get nodes
$ oc debug nodes/ip-10-0-243-5.us-east-2.compute.internal
$ chroot /host
sh-4.4# cat /etc/os-release 
NAME="Red Hat Enterprise Linux CoreOS"
VERSION="48.84.202109241901-0"
ID="rhcos"
ID_LIKE="rhel fedora"
VERSION_ID="4.8"
PLATFORM_ID="platform:el8"
PRETTY_NAME="Red Hat Enterprise Linux CoreOS 48.84.202109241901-0 (Ootpa)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:8::coreos"
HOME_URL="https://www.redhat.com/"
DOCUMENTATION_URL="https://docs.openshift.com/container-platform/4.8/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"
REDHAT_BUGZILLA_PRODUCT="OpenShift Container Platform"
REDHAT_BUGZILLA_PRODUCT_VERSION="4.8"
REDHAT_SUPPORT_PRODUCT="OpenShift Container Platform"
REDHAT_SUPPORT_PRODUCT_VERSION="4.8"
OPENSHIFT_VERSION="4.8"
RHEL_VERSION="8.4"
OSTREE_VERSION='48.84.202109241901-0'

-------------------------------------------------------
match boot image PR with related Region/AMI and version:
"aws": {
  "regions": {
    "us-east-2": {
      "release": "48.84.202109241901-0",
      "image": "ami-09145c219cb4df3e1"
    },
  }
}

Thanks Michael for the confirmation! Change status to VERIFIED according to Comment 7

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (OpenShift Container Platform 4.8.14 bug fix update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2021:3682