Bug 568763

Summary: SELinux is preventing qemu-system-x86 "read" access on /dev/sr0.
Product: [Fedora] Fedora Reporter: c.geissler-hinteruhlberg
Component: libvirtAssignee: Daniel Veillard <veillard>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: low    
Version: 12CC: berrange, c.geissler-hinteruhlberg, clalance, crobinso, dwalsh, itamar, jforbes, mgrepl, psj, veillard, virt-maint
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard: setroubleshoot_trace_hash:f56ae66f8d7321984bebfec4e369d77b7e29cca5f142dc82d608cc236ae1a52b
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-03-01 08:57:10 EST Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Description c.geissler-hinteruhlberg 2010-02-26 10:02:56 EST

SELinux is preventing qemu-system-x86 "read" access on /dev/sr0.

Detaillierte Beschreibung:

SELinux denied access requested by qemu-system-x86. It is not expected that this
access is required by qemu-system-x86 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.

Zugriff erlauben:

You can generate a local policy module to allow this access - see FAQ
(http://docs.fedoraproject.org/selinux-faq-fc5/#id2961385) Please file a bug

Zusätzliche Informationen:

Quellkontext                  system_u:system_r:svirt_t:s0:c300,c499
Zielkontext                   system_u:object_r:removable_device_t:s0
Zielobjekte                   /dev/sr0 [ blk_file ]
Quelle                        qemu-system-x86
Quellen-Pfad                  /usr/bin/qemu-system-x86_64
Port                          <Unbekannt>
Host                          (removed)
RPM-Richtlinie                selinux-policy-3.6.32-89.fc12
SELinux aktiviert             True
Richtlinienversion            targeted
Enforcing-Modus               Enforcing
Plugin-Name                   catchall
Hostname                      (removed)
Plattform                     Linux (removed) #1
                              SMP Fri Feb 19 18:55:03 UTC 2010 x86_64 x86_64
Anzahl der Alarme             111
Zuerst gesehen                Fr 26 Feb 2010 13:31:55 CET
Zuletzt gesehen               Fr 26 Feb 2010 13:31:55 CET
Lokale ID                     39ed5fdc-ae07-47f2-8e61-c798b8902e23


node=(removed) type=AVC msg=audit(1267187515.646:257): avc:  denied  { read } for  pid=6196 comm="qemu-system-x86" path="/dev/sr0" dev=tmpfs ino=3538 scontext=system_u:system_r:svirt_t:s0:c300,c499 tcontext=system_u:object_r:removable_device_t:s0 tclass=blk_file

Hash String generated from  catchall,qemu-system-x86,svirt_t,removable_device_t,blk_file,read
audit2allow suggests:

#============= svirt_t ==============
allow svirt_t removable_device_t:blk_file read;
Comment 1 Daniel Walsh 2010-02-26 11:07:39 EST
The question here is whether libvirt labeled it correctly in the beginning and then did udev step in and label it removable_device_t.   Should we allow svirt to read removeable media?
Comment 2 Paul Jenner 2010-02-27 16:45:15 EST
Duplicate of bug #551397 ?
Comment 3 Daniel Walsh 2010-03-01 08:57:10 EST

*** This bug has been marked as a duplicate of bug 551397 ***