Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Firewalld | Firewalld | <= 2.4.0 |
| Redhat | Enterprise Linux | 7.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2026-4948MitigationVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2452086Issue TrackingVendor Advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00029.html
FAQ
What is CVE-2026-4948?
CVE-2026-4948 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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-aut...
How severe is CVE-2026-4948?
CVE-2026-4948 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4948?
Check the references section above for vendor advisories and patch information. Affected products include: Firewalld Firewalld, Redhat Enterprise Linux.