RHSA-2026:67843MediumCVSS 5.5

Red Hat Security Advisory: firewalld security update

Published
September 16, 2026
Last Modified
October 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-4948 →

📋 Description

CVE-2026-4948 — firewalld: firewalld: Local unprivileged user can modify firewall state due to D-Bus setter mis-authorization

🎯 Affected products8

  • Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • firewall-applet-0:2.3.1-1.el10_0.1.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • firewall-config-0:2.3.1-1.el10_0.1.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • firewalld-0:2.3.1-1.el10_0.1.noarch as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • firewalld-0:2.3.1-1.el10_0.1.src as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • firewalld-filesystem-0:2.3.1-1.el10_0.1.noarch as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)
  • python3-firewall-0:2.3.1-1.el10_0.1.noarch as a component of Red Hat Enterprise Linux BaseOS EUS (v. 10.0)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: To mitigate this issue, ensure that the firewalld desktop policy is not active on systems where local unprivileged user access is a concern. If firewalld is not required, it can be disabled. Disabling firewalld may impact network services that rely on it. To disable firewalld: sudo systemctl stop firewalld sudo systemctl disable firewalld A system restart or service reload may be required for changes to take full effect.

🔗 References (4)