SELinux denial - F12
Kurian Thayil
kurianmthayil at gmail.com
Sun Dec 27 07:20:12 UTC 2009
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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