dbus messaging error under CentOS 4.2

The Problem
I’ve been getting the following /var/log/messages errors:

<br /> Mar 13 21:38:42 lamda dbus: Can't send to audit system: USER_AVC pid=3606 uid=81 loginuid=-1 message=avc: denied { send_msg } for scontext=user_u:system_r:unconfined_t tcontext=user_u:system_r:initrc_t tclass=dbus<br /> Mar 13 21:39:17 lamda last message repeated 7 times<br />

Based on the command dbus-launch – Utility to start a message bus from a shell script. Investigation found the process running under my userid, not root?

<br /> rbradfor 5760 1 0 Mar11 tty1 00:00:00 /usr/bin/dbus-launch --exit-with-session /etc/X11/xinit/Xclients<br /> rbradfor 5761 1 0 Mar11 ? 00:00:00 dbus-daemon-1 --fork --print-pid 8 --print-address 6 --session<br />

The service can be stopped which addresses the immediate problem.
<br /> /etc/init.d/messagebus stop<br />

The Fix
<br /> $ wget ftp://people.redhat.com/dwalsh/SELinux/RHEL4/u3/noarch/selinux-policy-targeted-1.17.30-2.126.noarch.rpm<br /> $ wget ftp://people.redhat.com/dwalsh/SELinux/RHEL4/u3/i386/policycoreutils-1.18.1-4.9.i386.rpm<br /> $ rpm -Uvh policycoreutils-1.18.1-4.9.i386.rpm selinux-policy-targeted-1.17.30-2.126.noarch.rpm<br />

Reference
CentOS 4 Forum Reference

Tagged with: General Linux

Related Posts

Improving container security in your CI/CD pipeline

At PyCon AU 2026 , the presentation Your Python container is 90% stuff you didn’t ask for by Scott Norris at Chainguard really exposed the impact of being lazy in container management for security purposes.

Read more

My take on PyCon Australia 2026

PyCon AU 2026 held in Brisbane this week was a five day event for the Python community. With specialized tracks and dedicated tutorial and engineering days there was a wide variety of content available.

Read more

Fixing Old Software Bugs Without Thinking

I previously came across an issue in my benchmarking work where I relied on the Latency Histogram section of sysbench output. On Linux it worked fine — I generally ran my workload there, so it never mattered.

Read more