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SELinux denial - F12



Hi,

Installed F12 and did a security update. Now, I get SELinux denial error. 
SELinux currently in permissive mode.

Summary:

SELinux is preventing access to files with the label, file_t.

Detailed Description:

SELinux permission checks on files labeled file_t are being denied. file_t is
the context the SELinux kernel gives to files that do not have a label. This
indicates a serious labeling problem. No files on an SELinux box should ever be
labeled file_t. If you have just added a new disk drive to the system you can
relabel it using the restorecon command. Otherwise you should relabel the 
entire
file system.

Allowing Access:

You can execute the following command as root to relabel your computer system:
"touch /.autorelabel; reboot"

Additional Information:

Source Context                system_u:system_r:xdm_t:s0-s0:c0.c1023
Target Context                system_u:object_r:file_t:s0
Target Objects                /home [ dir ]
Source                        gdm-simple-gree
Source Path                   /usr/libexec/gdm-simple-greeter
Port                          <Unknown>
Host                          home-desktop
Source RPM Packages           gdm-2.28.1-24.fc12
Target RPM Packages           filesystem-2.4.30-2.fc12
Policy RPM                    selinux-policy-3.6.32-41.fc12
Selinux Enabled               True
Policy Type                   targeted
MLS Enabled                   True
Enforcing Mode                Enforcing
Plugin Name                   file
Host Name                     home-desktop
Platform                      Linux home-desktop 2.6.31.5-127.fc12.i686.PAE #1
                              SMP Sat Nov 7 21:25:57 EST 2009 i686 i686
Alert Count                   1
First Seen                    Thu 24 Dec 2009 02:30:08 AM IST
Last Seen                     Thu 24 Dec 2009 02:30:08 AM IST
Local ID                      6b1ff85c-05fe-4d37-945b-6cd2d54b92fa
Line Numbers                  

Raw Audit Messages            

node=home-desktop type=AVC msg=audit(1261602008.595:11510): avc:  denied  { 
search } for  pid=1357 comm="gdm-simple-gree" name="/" dev=sda2 ino=2 
scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 
tcontext=system_u:object_r:file_t:s0 tclass=dir

node=home-desktop type=SYSCALL msg=audit(1261602008.595:11510): arch=40000003 
syscall=292 success=no exit=-13 a0=12 a1=8d6f400 a2=1002fce a3=8d6ec48 items=0 
ppid=1325 pid=1357 auid=4294967295 uid=42 gid=473 euid=42 suid=42 fsuid=42 
egid=473 sgid=473 fsgid=473 tty=(none) ses=4294967295 comm="gdm-simple-gree" 
exe="/usr/libexec/gdm-simple-greeter" subj=system_u:system_r:xdm_t:s0-
s0:c0.c1023 key=(null)

Any idea why this happened after the update? What could be done to prevent 
this. I am quite a newbie in SELinux scenario. Does, restorecon command fix 
(restorecon /usr/libexec/gdm-simple-greeter)?

Regards,

Kurian Thayil.


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