On 12/27/2009 07:20 AM, Kurian Thayil wrote:
> 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)?
Files in your homedir are mis-labelled. The easiest way to fix it is to
> You can execute the following command as root to relabel your computer system:
> "touch /.autorelabel; reboot"
Andrew.
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