{"id":"rhel9-patch-management-lifecycle","text":"RHEL 9 provides a structured patch management lifecycle: the content delivery architecture splits packages across BaseOS and AppStream repositories, DNF serves as the unified package manager, and security-specific tooling (`dnf check-update --security`, `dnf updateinfo info`) enables targeted security patching with advisory-level granularity.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"rhel9-patch-management-lifecycle","truth_value":"IN","reason":"premise"}]}}