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selinux: RE: X in MLS enforcing problem

RE: X in MLS enforcing problem

From: Chad Hanson <chanson_at_nospam>
Date: Mon Jun 09 2008 - 21:49:59 GMT
To: "Xavier Toth" <txtoth@gmail.com>, "SELinux Mail List" <selinux@tycho.nsa.gov>, "Eamon Walsh" <ewalsh@tycho.nsa.gov>, "Daniel J Walsh" <dwalsh@redhat.com>

mls_trusted_object(xdm_xserver_t) won't help this problem, but something like mls_file_read_up and mls_file_write_down would be more approriate for xdm_xserver_t.

-Chad

>
> type=AVC msg=audit(1213041678.053:8): avc: denied { read } for
> pid=2649 comm="Xorg" name="mem" dev=tmpfs ino=3893
> scontext=system_u:system_r:xdm_xserver_t:s0-s15:c0.c1023
> tcontext=system_u:object_r:memory_device_t:s15:c0.c1023
> tclass=chr_file
> type=AVC msg=audit(1213041678.432:10): avc: denied { write } for
> pid=2649 comm="Xorg" name="mem" dev=tmpfs ino=3893
> scontext=system_u:system_r:xdm_xserver_t:s0-s15:c0.c1023
> tcontext=system_u:object_r:memory_device_t:s15:c0.c1023
> tclass=chr_file
>
> The xserver_common_domain_template seems to have the necessary allow
> rules (dev_read_raw_memory and dev_wx_raw_memory) for the types so I
> create a local module and added:
> mls_trusted_object(xdm_xserver_t)
> to deal with the MLS constraint violation but I'm still getting these
> AVC.What else can it be?
>
> Ted
>
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