Bug 560280

Summary:

SELinux is preventing /usr/libexec/gdm-session-worker "write" access on /root.

Detailed Description:

SELinux denied access requested by gdm-session-wor. It is not expected that this
access is required by gdm-session-wor 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://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385) Please file a bug
report.

Additional Information:

Source Context                system_u:system_r:xdm_t:s0-s0:c0.c1023
Target Context                system_u:object_r:admin_home_t:s0
Target Objects                /root [ dir ]
Source                        gdm-session-wor
Source Path                   /usr/libexec/gdm-session-worker
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           gdm-2.28.2-1.fc12
Target RPM Packages           filesystem-2.4.30-2.fc12
Policy RPM                    selinux-policy-3.6.32-73.fc12
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Plugin Name                   catchall
Host Name                     (removed)
Platform                      Linux (removed)
                              2.6.31.12-174.2.3.fc12.i686.PAE #1 SMP Mon Jan 18
                              20:06:44 UTC 2010 i686 i686
Alert Count                   16
First Seen                    Sun 17 Jan 2010 05:46:58 AM AST
Last Seen                     Sat 30 Jan 2010 10:05:22 PM AST
Local ID                      d221714c-333c-4213-9261-4b2a34639e40
Line Numbers                  

Raw Audit Messages            

node=(removed) type=AVC msg=audit(1264878322.474:38): avc:  denied  { write } for  pid=2333 comm="gdm-session-wor" name="root" dev=sda5 ino=73586 scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:admin_home_t:s0 tclass=dir

node=(removed) type=SYSCALL msg=audit(1264878322.474:38): arch=40000003 syscall=5 success=no exit=-13 a0=9e2e2e8 a1=80c2 a2=1b6 a3=21 items=0 ppid=2310 pid=2333 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=3 comm="gdm-session-wor" exe="/usr/libexec/gdm-session-worker" subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 key=(null)



Hash String generated from  selinux-policy-3.6.32-73.fc12,catchall,gdm-session-wor,xdm_t,admin_home_t,dir,write
audit2allow suggests:

#============= xdm_t ==============
#!!!! The source type 'xdm_t' can write to a 'dir' of the following types:
# pcscd_var_run_t, var_lock_t, xkb_var_lib_t, xdm_rw_etc_t, root_t, tmp_t, var_t, user_fonts_t, user_tmpfs_t, xdm_spool_t, fonts_cache_t, user_home_dir_t, locale_t, var_auth_t, xserver_tmp_t, tmpfs_t, var_spool_t, user_tmp_t, var_lib_t, var_run_t, auth_cache_t, xdm_tmpfs_t, xserver_log_t, var_log_t, xdm_log_t, pam_var_run_t, xdm_var_lib_t, xdm_var_run_t, xdm_home_t, pam_var_console_t, root_t, nfs_t

allow xdm_t admin_home_t:dir write;