From: Daniel J Walsh <dwalsh@redhat.com>
To: Alan Rouse <alan.rouse@ericsson.com>
Cc: SE-Linux <selinux@tycho.nsa.gov>
Subject: Re: AVC accesing shadow during gnome login
Date: Tue, 13 Apr 2010 08:46:06 -0400 [thread overview]
Message-ID: <4BC4678E.807@redhat.com> (raw)
In-Reply-To: <5A5E55DF96F73844AF7DFB0F48721F0F52E48FE523@EUSAACMS0703.eamcs.ericsson.se>
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On 04/12/2010 03:24 PM, Alan Rouse wrote:
> I'm getting the following when I log in via the gnome login gui (OpenSUSE 11.2) with dontaudit turned off:
>
> type=AVC msg=audit(1271099674.777:3): avc: denied { read } for pid=2475 comm="gdm-session-wor" name="shadow" dev=sda2 ino=129609 scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:shadow_t:s0 tclass=file
> type=AVC msg=audit(1271099674.780:4): avc: denied { open } for pid=2475 comm="gdm-session-wor" name="shadow" dev=sda2 ino=129609 scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:shadow_t:s0 tclass=file
> type=AVC msg=audit(1271099674.792:5): avc: denied { getattr } for pid=2475 comm="gdm-session-wor" path="/etc/shadow" dev=sda2 ino=129609 scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:shadow_t:s0 tclass=file
>
> But I think the required access is prohibited via 'neverallow'. Suggestions welcome.
>
> Thanks
>
>
>
>
xdm_t uses /sbin/unix_chkpwd to read the shadow file. The pam stack
will execute this program if it can not read shadow directly. In Fedora
and RHEL products we now attempt to execute /sbin/unix_chkpwd first and
then fail over to trying to read the shadow file.
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next prev parent reply other threads:[~2010-04-13 12:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-12 19:24 AVC accesing shadow during gnome login Alan Rouse
2010-04-13 1:23 ` Justin P. mattock
2010-04-13 12:46 ` Daniel J Walsh [this message]
2010-04-13 14:10 ` Alan Rouse
2010-04-13 15:17 ` Daniel J Walsh
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