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Re: help with an avc denial

From: Stephen Smalley <sds_at_tycho.nsa.gov>
Date: Fri, 14 Dec 2007 14:44:47 -0500


On Fri, 2007-12-14 at 11:31 -0800, Clarkson, Mike R (US SSA) wrote:
> I'm running RHEL 5.1 with the mls policy.
>
> I'm getting an avc denial that I can't get past. Here are the entries
> from the audit log:
>
> type=AVC msg=audit(1197658847.835:9499): avc: denied { create } for
> pid=20432 comm="touch" name="tmp.log"
> scontext=sysadm_u:sysadm_r:sysadm_t:s0-s4:c0.c255
> tcontext=sysadm_u:object_r:audit_log_t:s0-s4:c0.c255 tclass=file

A file should be single level, not ranged.

> type=SYSCALL msg=audit(1197658847.835:9499): arch=c000003e syscall=2
> success=no exit=-13 a0=7fff74eceb5c a1=941 a2=1b6 a3=328dd4b0ac items=0
> ppid=12410 pid=20432 auid=11000 uid=11000 gid=4500 euid=11000 suid=11000
> fsuid=11000 egid=4500 sgid=4500 fsgid=4500 tty=pts3 comm="touch"
> exe="/bin/touch" subj=sysadm_u:sysadm_r:sysadm_t:s0-s4:c0.c255
> key=(null)
>
>
> Here is what audit2allow returns:
> #============= sysadm_t ==============
> # src="sysadm_t" tgt="audit_log_t" class="file", perms="create"
> # comm="touch" exe="" path=""
> allow sysadm_t audit_log_t:file create;
>
> I have entered that exact allow rule into my policy to no effect.
>
> Audit2why indicates that the reason for the above audit log avc denial
> is a missing allow rule, as opposed to a constraint problem.
>
> Any help would be greatly appreciated.
> Thanks
>
>
> --
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-- 
Stephen Smalley
National Security Agency


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Received on Fri 14 Dec 2007 - 14:44:51 EST
 

Date Posted: Jan 15, 2009 | Last Modified: Jan 15, 2009 | Last Reviewed: Jan 15, 2009

 
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