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Old 03-11-2012, 05:59 PM
Krzysztof Nowicki
 
Default Problems with su on 20120215 policy and latest policycoreutils

W dniu 2012-03-10 20:42:07 użytkownik Sven Vermeulen <swift@gentoo.org> napisał:
> On Sat, Mar 10, 2012 at 07:07:54PM +0100, Krzysztof Nowicki wrote:
> > Recently I've upgraded the policy to the latest testing version. I've also had to upgrade policycoreutils (+deps) to the versions from the overlay, since they're required by the policies. Everything seems to be working fine for now, but I noticed a problem with su. Every time I try to use it an error is displayed:
> >
> > su: Authentication service cannot retrieve authentication info
> >
> > This message is displayed regardless of the user executing su (even for root/sysadm_r).
> [...]
>
> Hi Krzysztof,
>
> This should be tackled with selinux-base-policy-2.20120215-r3 (and
> selinux-base-2.20120215-r3) and later. Can you check if that is indeed met?
>
> Iirc, the su domains needed getattr rights on the security_t domain:
>
> ~# sesearch -s staff_su_t -t security_t -c filesystem -p getattr -A;
> Found 1 semantic av rules:
> allow staff_su_t security_t : filesystem getattr ;
>
> Wkr,
> Sven Vermeulen
>
>

Hi Sven,

Thanks, that helped a lot. I had -r1 previously and since I forgot to update the overlay I didn't see the latest revisions.

Best regards
Chris
 

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