Bug 702886

Summary: SELinux is preventing /usr/libexec/qemu-kvm "getattr" access on /var/lib/libvirt/images/windows_7_32.img.
Product: Red Hat Enterprise Linux 6 Reporter: Red Hat Case Diagnostics <case-diagnostics>
Component: selinux-policyAssignee: Daniel Walsh <dwalsh>
Status: CLOSED INSUFFICIENT_DATA QA Contact: BaseOS QE Security Team <qe-baseos-security>
Severity: medium Docs Contact:
Priority: medium    
Version: 6.0CC: berrange, dwalsh, mgrepl
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: setroubleshoot_trace_hash:60843772bbf57e09846059b4c0760e068b89829c983e9889b4c45bd81bc2b3aa
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-06-14 12:33:14 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Red Hat Case Diagnostics 2011-05-08 02:04:25 UTC
Summary:

SELinux is preventing /usr/libexec/qemu-kvm "getattr" access on
/var/lib/libvirt/images/windows_7_32.img.

Detailed Description:

SELinux denied access requested by qemu-kvm. It is not expected that this access
is required by qemu-kvm 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://docs.fedoraproject.org/selinux-faq-fc5/#id2961385) Please file a bug
report.

Additional Information:

Source Context                system_u:system_r:svirt_t:s0:c310,c710
Target Context                system_u:object_r:virt_image_t:s0
Target Objects                /var/lib/libvirt/images/windows_7_32.img [ file ]
Source                        qemu-kvm
Source Path                   /usr/libexec/qemu-kvm
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           qemu-kvm-0.12.1.2-2.113.el6_0.8
Target RPM Packages           
Policy RPM                    selinux-policy-3.7.19-54.el6_0.5
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Plugin Name                   catchall
Host Name                     (removed)
Platform                      Linux jeeves.2wire313.net
                              2.6.32-71.24.1.el6.x86_64 #1 SMP Sat Mar 26
                              16:05:19 EDT 2011 x86_64 x86_64
Alert Count                   1
First Seen                    Sat 07 May 2011 10:27:34 AM EDT
Last Seen                     Sat 07 May 2011 10:27:34 AM EDT
Local ID                      f45b93bc-040c-4434-b161-79443b60aedb
Line Numbers                  

Raw Audit Messages            

node=jeeves.2wire313.net type=AVC msg=audit(1304778454.445:51): avc:  denied  { getattr } for  pid=11249 comm="qemu-kvm" path="/var/lib/libvirt/images/windows_7_32.img" dev=dm-3 ino=705321 scontext=system_u:system_r:svirt_t:s0:c310,c710 tcontext=system_u:object_r:virt_image_t:s0 tclass=file

node=jeeves.2wire313.net type=SYSCALL msg=audit(1304778454.445:51): arch=c000003e syscall=4 success=no exit=-13 a0=1f8fe60 a1=7fff5fa295c0 a2=7fff5fa295c0 a3=1 items=0 ppid=1 pid=11249 auid=4294967295 uid=107 gid=107 euid=107 suid=107 fsuid=107 egid=107 sgid=107 fsgid=107 tty=(none) ses=4294967295 comm="qemu-kvm" exe="/usr/libexec/qemu-kvm" subj=system_u:system_r:svirt_t:s0:c310,c710 key=(null)



Hash String generated from  catchall,qemu-kvm,svirt_t,virt_image_t,file,getattr
audit2allow suggests:

#============= svirt_t ==============
allow svirt_t virt_image_t:file getattr;

Comment 3 RHEL Program Management 2011-05-08 06:00:13 UTC
Since RHEL 6.1 External Beta has begun, and this bug remains
unresolved, it has been rejected as it is not proposed as
exception or blocker.

Red Hat invites you to ask your support representative to
propose this request, if appropriate and relevant, in the
next release of Red Hat Enterprise Linux.

Comment 4 Daniel Walsh 2011-05-09 15:38:50 UTC
This looks like a labeling issue?  Any idea how this happened?

Was /var/lib/libvirt/images/windows_7_32.img related to the virtual machine you were running?