CVE-2026-16730
MEDIUM SEVERITYCVSS Score & Metrics
Base Score
5.5 / 10
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Description
A flaw was found in dbus-broker. When the process file-descriptor limit is reached, EMFILE/ENFILE errors during peer setup (notably SO_PEERPIDFD) are handled as fatal failures, causing the broker to exit. A local attacker who can open many connections to the user session bus can trigger this and deny service to the desktop session. Flatpak applications can reach the host session bus through the dbus proxy.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-755
Source
NVD
Vendor
Red Hat
Product
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat Hardened Images, Red Hat OpenShift Container Platform 4
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