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A flaw was found in firewalld. A local unprivileged user can exploit this vulnerability by mis-authorizing two runtime D-Bus (Desktop Bus) setters, setZoneSettings2 and setPolicySettings. This mis-authorization allows the user to modify the runtime firewall state without proper authentication, leading to unauthorized changes in network security configurations.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade python3-firewallUpgrade firewalldUpgrade firewalld-filesystemUpgrade firewall-configUpgrade firewall-applet | Oct 11, 2026 | Sep 15, 2026 |
| Debian | — | Upgrade firewalld | May 17, 2026 | May 17, 2026 |
| Oracle_linux | — | Upgrade firewalldUpgrade python3-firewallUpgrade firewall-configUpgrade firewall-appletUpgrade firewalld-filesystem | Oct 22, 2026 | Mar 27, 2026 |
| Redhat_linux | — | No solution existsUpgrade firewall-appletUpgrade firewall-configUpgrade python3-firewallUpgrade firewalldUpgrade firewalld-filesystem | Jul 17, 2026 | Mar 27, 2026 |
| Suse | — | Upgrade python311-firewallUpgrade firewall-macrosUpgrade python3-firewallUpgrade firewalldUpgrade firewall-configUpgrade firewalld-zsh-completionUpgrade firewalld-bash-completionUpgrade firewall-appletUpgrade firewalld-lang | May 26, 2026 | May 15, 2026 |
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