fedora-selinux February 2008 archive
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fedora-selinux: SELinux is preventing npviewer.bin (nsplugin_t)

SELinux is preventing npviewer.bin (nsplugin_t) "search" to ./pcm (alsa_etc_rw_t)

From: Antonio Olivares <olivares14031_at_nospam>
Date: Tue Feb 26 2008 - 21:27:41 GMT
To: fedora-selinux-list@redhat.com


What is npviewr?

What does it do?

Setroubleshoot reports that it is causing trouble:

Summary:

SELinux is preventing npviewer.bin (nsplugin_t) "search" to ./pcm
(alsa_etc_rw_t).

Detailed Description:

SELinux denied access requested by npviewer.bin. It is not expected that this
access is required by npviewer.bin 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:

Sometimes labeling problems can cause SELinux denials. You could try to restore
the default system file context for ./pcm,

restorecon -v './pcm'

If this does not work, there is currently no automatic way to allow this access.
Instead, you can generate a local policy module to allow this access - see FAQ
(http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385)
Or you can disable
SELinux protection altogether. Disabling SELinux protection is not recommended.
Please file a bug report
(http://bugzilla.redhat.com/bugzilla/enter_bug.cgi)
against this package.

Additional Information:

Source Context
unconfined_u:unconfined_r:nsplugin_t:SystemLow- SystemHigh Target Context system_u:object_r:alsa_etc_rw_t Target Objects ./pcm [ dir ] Source npviewer.bin Source Path /usr/lib/nspluginwrapper/npviewer.bin Port <Unknown> Host localhost Source RPM Packages nspluginwrapper-0.9.91.5-22.fc9 Target RPM Packages Policy RPM selinux-policy-3.3.0-1.fc9 Selinux Enabled True Policy Type targeted MLS Enabled True Enforcing Mode Enforcing Plugin Name catchall_file Host Name localhost Platform Linux localhost 2.6.25-0.65.rc2.git7.fc9 #1 SMP Sat Feb 23 23:06:09 EST 2008 i686 athlon Alert Count 1 First Seen Tue 26 Feb 2008 03:24:34 PM CST Last Seen Tue 26 Feb 2008 03:24:34 PM CST Local ID 21b2a4d1-ec93-4670-a34e-841d82827177 Line Numbers Raw Audit Messages

host=localhost type=AVC msg=audit(1204061074.835:111): avc: denied { search } for pid=20571
comm="npviewer.bin" name="pcm" dev=dm-0 ino=28344759 scontext=unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c1023 tcontext=system_u:object_r:alsa_etc_rw_t:s0 tclass=dir

host=localhost type=SYSCALL
msg=audit(1204061074.835:111): arch=40000003 syscall=5 success=no exit=-13 a0=906d258 a1=0 a2=1b6 a3=0 items=0 ppid=20512 pid=20571 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="npviewer.bin" exe="/usr/lib/nspluginwrapper/npviewer.bin" subj=unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c1023 key=(null)

Regards,

Antonio



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