dbus and kerneloops with selinux avc

Antonio Olivares olivares14031 at yahoo.com
Thu Mar 5 01:57:35 UTC 2009


Dear all, 

after applying the updates, I encountered the following avc courtesy of setroubleshooter:


Summary:

SELinux is preventing dbus-daemon-lau (system_dbusd_t) "execute"
kerneloops_exec_t.

Detailed Description:

SELinux denied access requested by dbus-daemon-lau. It is not expected that this
access is required by dbus-daemon-lau and this access may signal an intrusion
attempt. It is also possible that the specific version or configuration of the
application is causing it to require additional access.

Allowing Access:

You can generate a local policy module to allow this access - see FAQ
(http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385) Or you can disable
SELinux protection altogether. Disabling SELinux protection is not recommended.
Please file a bug report (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi)
against this package.

Additional Information:

Source Context                system_u:system_r:system_dbusd_t:s0-s0:c0.c1023
Target Context                system_u:object_r:kerneloops_exec_t:s0
Target Objects                kerneloops [ file ]
Source                        dbus-daemon-lau
Source Path                   /lib/dbus-1/dbus-daemon-launch-helper
Port                          <Unknown>
Host                          riohigh
Source RPM Packages           dbus-1.2.4.4permissive-4.fc11
Target RPM Packages           
Policy RPM                    selinux-policy-3.6.7-1.fc11
Selinux Enabled               True
Policy Type                   targeted
MLS Enabled                   True
Enforcing Mode                Enforcing
Plugin Name                   catchall
Host Name                     riohigh
Platform                      Linux riohigh 2.6.29-0.197.rc7.fc11.i586 #1 SMP
                              Tue Mar 3 23:01:11 EST 2009 i686 athlon
Alert Count                   1
First Seen                    Wed 04 Mar 2009 07:46:21 PM CST
Last Seen                     Wed 04 Mar 2009 07:46:21 PM CST
Local ID                      71016152-e696-4ba1-af79-497748fd156b
Line Numbers                  

Raw Audit Messages            

node=riohigh type=AVC msg=audit(1236217581.391:21): avc:  denied  { execute } for  pid=3241 comm="dbus-daemon-lau" name="kerneloops" dev=sda5 ino=8699 scontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:kerneloops_exec_t:s0 tclass=file

node=riohigh type=SYSCALL msg=audit(1236217581.391:21): arch=40000003 syscall=11 success=no exit=-13 a0=9c95e20 a1=9c95de8 a2=9c95008 a3=9c98368 items=0 ppid=3240 pid=3241 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="dbus-daemon-lau" exe="/lib/dbus-1/dbus-daemon-launch-helper" subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 key=(null)




Thanks,

Antonio 


      




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