Upstream tracker created and bug is queued for backport, upstream PR at https://github.com/ceph/ceph/pull/36593. I will pull this into downstream once it's merged to mainline.
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 (Important: Red Hat Ceph Storage 4.2 Security and 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/RHSA-2021:0081