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Bug 848452 - SELinux is preventing /usr/libexec/gstreamer-0.10/gst-plugin-scanner from using the 'sys_nice' capabilities.
SELinux is preventing /usr/libexec/gstreamer-0.10/gst-plugin-scanner from usi...
Product: Fedora
Classification: Fedora
Component: selinux-policy (Show other bugs)
i686 Unspecified
unspecified Severity unspecified
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: ---
Assigned To: Miroslav Grepl
Fedora Extras Quality Assurance
: 848455 (view as bug list)
Depends On:
  Show dependency treegraph
Reported: 2012-08-15 12:15 EDT by Paulo Edson
Modified: 2012-08-15 15:19 EDT (History)
4 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2012-08-15 15:19:23 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Paulo Edson 2012-08-15 12:15:56 EDT
libreport version: 2.0.10
executable:     /usr/bin/python2.7
hashmarkername: setroubleshoot
kernel:         3.5.1-1.fc17.i686
time:           Qua 15 Ago 2012 13:15:13 BRT

:SELinux is preventing /usr/libexec/gstreamer-0.10/gst-plugin-scanner from using the 'sys_nice' capabilities.
:*****  Plugin catchall (100. confidence) suggests  ***************************
:If você acredita que o gst-plugin-scanner deva ser permitido a capacidade de sys_nice  por default.
:Then você precisa reportar este como um erro.
:Você pode gerar um módulo de política local para permitir este acesso.
:permitir este acesso agora executando:
:# grep gst-plugin-scan /var/log/audit/audit.log | audit2allow -M mypol
:# semodule -i mypol.pp
:Additional Information:
:Source Context                unconfined_u:unconfined_r:thumb_t:s0-s0:c0.c1023
:Target Context                unconfined_u:unconfined_r:thumb_t:s0-s0:c0.c1023
:Target Objects                 [ capability ]
:Source                        gst-plugin-scan
:Source Path                   /usr/libexec/gstreamer-0.10/gst-plugin-scanner
:Port                          <Desconhecido>
:Host                          (removed)
:Source RPM Packages           gstreamer-0.10.36-1.fc17.i686
:Target RPM Packages           
:Policy RPM                    selinux-policy-3.10.0-145.fc17.noarch
:Selinux Enabled               True
:Policy Type                   targeted
:Enforcing Mode                Enforcing
:Host Name                     (removed)
:Platform                      Linux (removed) 3.5.1-1.fc17.i686 #1 SMP Thu Aug 9
:                              18:12:27 UTC 2012 i686 i686
:Alert Count                   4
:First Seen                    2012-08-10 14:15:59 BRT
:Last Seen                     2012-08-13 13:45:29 BRT
:Local ID                      a02bd71c-47b2-48fd-b6c9-59eaff73a5d4
:Raw Audit Messages
:type=AVC msg=audit(1344876329.453:212): avc:  denied  { sys_nice } for  pid=5769 comm="gst-plugin-scan" capability=23  scontext=unconfined_u:unconfined_r:thumb_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:thumb_t:s0-s0:c0.c1023 tclass=capability
:type=SYSCALL msg=audit(1344876329.453:212): arch=i386 syscall=sched_setscheduler success=yes exit=0 a0=1689 a1=0 a2=bfaf92bc a3=b77776c0 items=0 ppid=5768 pid=5769 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=1 comm=gst-plugin-scan exe=/usr/libexec/gstreamer-0.10/gst-plugin-scanner subj=unconfined_u:unconfined_r:thumb_t:s0-s0:c0.c1023 key=(null)
:Hash: gst-plugin-scan,thumb_t,thumb_t,capability,sys_nice
:#============= thumb_t ==============
:allow thumb_t self:capability sys_nice;
:audit2allow -R
:#============= thumb_t ==============
:allow thumb_t self:capability sys_nice;
Comment 1 Daniel Walsh 2012-08-15 14:16:59 EDT
Eric, is this a case of the MAC Check happening before the DAC Check?  I doubt the thumb process has the ability to raise its priority.
Comment 2 Daniel Walsh 2012-08-15 14:18:22 EDT
*** Bug 848455 has been marked as a duplicate of this bug. ***
Comment 3 Eric Paris 2012-08-15 14:25:05 EDT
uid=0 gid=0

this is being run as root.  is it setuid or something?
Comment 4 Daniel Walsh 2012-08-15 15:19:23 EDT
oops. sorry I scanned for this, but read the pid instead of the UID.

Paulo do not run nautilus as root.  SELinux is potentially saving you from some dangerous code.

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