Bug 577890

Summary: SELinux is preventing /usr/lib/cups/daemon/cups-deviced from executing mfp.
Product: [Fedora] Fedora Reporter: clainth ficien <kafnir>
Component: selinux-policyAssignee: Daniel Walsh <dwalsh>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: low    
Version: 12CC: dwalsh, kafnir, mgrepl
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Whiteboard: setroubleshoot_trace_hash:a335fc7aa4b1a5d51784befa0f60a6cf3d1ee9d921141a718c829e044ec5bead
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-06-23 08:56:11 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description clainth ficien 2010-03-29 15:48:31 UTC
Summary:

SELinux is preventing /usr/lib/cups/daemon/cups-deviced from executing mfp.

Detailed Description:

SELinux has denied the cups-deviced from executing mfp. If cups-deviced is
supposed to be able to execute mfp, this could be a labeling problem. Most
confined domains are allowed to execute files labeled bin_t. So you could change
the labeling on this file to bin_t and retry the application. If this
cups-deviced is not supposed to execute mfp, this could signal an intrusion
attempt.

Allowing Access:

If you want to allow cups-deviced to execute mfp: chcon -t bin_t 'mfp' If this
fix works, please update the file context on disk, with the following command:
semanage fcontext -a -t bin_t 'mfp' Please specify the full path to the
executable, Please file a bug report to make sure this becomes the default
labeling.

Additional Information:

Source Context                unconfined_u:system_r:cupsd_t:s0-s0:c0.c1023
Target Context                unconfined_u:object_r:usr_t:s0
Target Objects                mfp [ file ]
Source                        cupsd
Source Path                   /usr/sbin/cupsd
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           cups-1.4.2-28.fc12
Target RPM Packages           
Policy RPM                    selinux-policy-3.6.32-103.fc12
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Plugin Name                   execute
Host Name                     (removed)
Platform                      Linux (removed) 2.6.32.9-70.fc12.i686 #1 SMP Wed
                              Mar 3 05:14:32 UTC 2010 i686 i686
Alert Count                   3
First Seen                    Mon 29 Mar 2010 11:38:03 AM EDT
Last Seen                     Mon 29 Mar 2010 11:39:25 AM EDT
Local ID                      46dba81e-b7ff-4b7e-851d-d4a237921ffc
Line Numbers                  

Raw Audit Messages            

node=(removed) type=AVC msg=audit(1269877165.787:200): avc:  denied  { execute } for  pid=6268 comm="cups-deviced" name="mfp" dev=sda2 ino=88277 scontext=unconfined_u:system_r:cupsd_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:usr_t:s0 tclass=file

node=(removed) type=SYSCALL msg=audit(1269877165.787:200): arch=40000003 syscall=11 success=no exit=-13 a0=bfd70d8c a1=bfd70584 a2=bfd71a70 a3=b items=0 ppid=6263 pid=6268 auid=500 uid=4 gid=7 euid=4 suid=4 fsuid=4 egid=7 sgid=7 fsgid=7 tty=(none) ses=1 comm="cups-deviced" exe="/usr/lib/cups/daemon/cups-deviced" subj=unconfined_u:system_r:cupsd_t:s0-s0:c0.c1023 key=(null)



Hash String generated from  execute,cupsd,cupsd_t,usr_t,file,execute
audit2allow suggests:

#============= cupsd_t ==============
allow cupsd_t usr_t:file execute;

Comment 1 Daniel Walsh 2010-03-29 16:43:18 UTC
Where is mfp?

chcon -t bin_t mfp 

Will allow this access.

Comment 2 Daniel Walsh 2010-03-29 19:55:27 UTC
*** Bug 577940 has been marked as a duplicate of this bug. ***