linux d-bus authorization

The linux d-bus authorization tag covers security vulnerabilities and configuration issues where D-Bus message bus permissions are misconfigured, allowing local unprivileged users to alter system services. A key example is CVE-2026-4948 in firewalld, where insufficient authorization on D-Bus setters lets a local user modify runtime firewall state. This is relevant for Windows administrators managing heterogeneous environments that include Linux, containers, Azure, or WSL, as such bugs can affect cross-platform security posture. Discussions focus on understanding D-Bus authorization models, auditing policy files, and applying vendor patches to prevent local privilege escalation or service manipulation. The tag does not cover Windows-specific D-Bus implementations or general Linux administration unrelated to authorization.