Yes, only RHEL 9 (the current version of RHEL) and its upstreams/downstreams (CentOS Stream 9, Rocky Linux 9, Alma Linux 9,...). Also affected: Fedora 37, 36 a

Yes, only RHEL 9 (the current version of RHEL) and its upstreams/downstreams (CentOS Stream 9, Rocky Linux 9, Alma Linux 9,...). Also affected: Fedora 37, 36 and possibly 35, which are all end-of-life (since December 2023 in the case of Fedora 37). Not affected: Fedora 38 (also EOL), 39 (maintained) and 40 (current).