Re: gnome login broken.... "null" avcs...

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Tom London wrote:
On Thu, Feb 28, 2008 at 10:06 AM, Daniel J Walsh <dwalsh@xxxxxxxxxx> wrote:
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 Tom London wrote:
 > On Thu, Feb 28, 2008 at 7:41 AM, Tom London <selinux@xxxxxxxxx> wrote:
 >> After applying today's selinux-policy* packages, gnome/gdm login
 >>  fails: gdmgreeter runs, but X quickly dies after enter password and
 >>  you're back to the greeter.
 >>
 >>  Booting up in permissive lets me log in.
 >>
 >>  Here are the borkages:
 >>
 >>
 >>  #============= mono_t ==============
 >>  allow mono_t xdm_xserver_t:x_device read;
 >>
 >>  #============= unconfined_execmem_t ==============
 >>  allow unconfined_execmem_t xdm_xserver_t:x_device read;
 >>
 >>  #============= unconfined_t ==============
 >>  allow unconfined_t mono_t:x_resource write;
 >>  allow unconfined_t unconfined_execmem_t:x_resource { write read };
 >>  allow unconfined_t unlabeled_t:x_drawable { destroy getattr };
 >>  [root@localhost ~]#
 >>

The "null" avc's are fixed in the upstream X server. This is a bad security hook call in the GLX code and affects GLX programs such as compiz.

The unlabeled AVC is the result of a mislabeled program?



--
Eamon Walsh <ewalsh@xxxxxxxxxxxxx>
National Security Agency

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