More information about this security flaw is available in the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=2258725 Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Comment from Paul Holzinger: "I still say that this is not a bug at all for podman. The bug is in runc the binary not any of the library code we use and even then if we would leak a fd in podman it would never be leaked into the container as the oci runtime isolates that for us."