qemu-kvm Trying to "Write" to a cdrom/sr0 ?? , Why?

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FC13


Selinux is in "permissive" mode

Why would qemu-kvm try to  "Write" to a cdrom, instead of "Read" ?

Summary:

SELinux is preventing /usr/bin/qemu-kvm "write" access on sr0.

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:c194,c927
Target Context                system_u:object_r:virt_content_t:s0
Target Objects                sr0 [ blk_file ]
Source                        qemu-kvm
Source Path                   /usr/bin/qemu-kvm
Port <Unknown>
Host                          (removed)
Source RPM Packages           qemu-system-x86-0.12.3-8.fc13
Target RPM Packages
Policy RPM                    selinux-policy-3.7.19-28.fc13
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Plugin Name                   catchall
Host Name                     (removed)
Platform                      Linux (removed) 2.6.33.5-124.fc13.x86_64 
#1 SMP Fri
                               Jun 11 09:38:12 UTC 2010 x86_64 x86_64
Alert Count                   1
First Seen                    Sat 26 Jun 2010 08:02:20 PM EDT
Last Seen                     Sat 26 Jun 2010 08:02:20 PM EDT
Local ID                      244b6695-b55d-4548-af9a-61a8d2077cf0
Line Numbers

Raw Audit Messages

node=(removed) type=AVC msg=audit(1277596940.189:97): avc:  denied  { 
write } for  pid=11387 comm="qemu-kvm" name="sr0" dev=devtmpfs ino=5712 
scontext=system_u:system_r:svirt_t:s0:c194,c927 
tcontext=system_u:object_r:virt_content_t:s0 tclass=blk_file

node=(removed) type=SYSCALL msg=audit(1277596940.189:97): arch=c000003e 
syscall=2 success=no exit=-13 a0=19125d0 a1=81802 a2=0 a3=0 items=0 
ppid=1 pid=11387 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/bin/qemu-kvm" 
subj=system_u:system_r:svirt_t:s0:c194,c927 key=(null)


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