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On 08/01/2012 04:01 AM, Philippe Naudin wrote:
Hello,
This is somehow off-topic, since the problem appears on a modified CentOS-6.2 (turned into a xen-4.1 host) : I get SELinux errors, and I'm not able to understand them.
From audit2why :
type=AVC msg=audit(1343724164.898:298772): avc: denied { mac_admin } for pid=12399 comm="restore" capability=33 scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=capability2
... and from audit2allow : #============= unconfined_t ============== allow unconfined_t self:capability2 mac_admin;
I don't know what triggers these records in /var/log/audit (everything seems to work). Running retorecon -rv / doesn't produce any error.
Can someone tell me what is the mac_admin functionnality, and if it is safe to allow it ? If I understand correctly what I have found by googling around, it is not advised.
Thanks,
mac_admin means some where you have a command that is trying to set a file context to something your current policy loaded into the kernel does not understand.
Something like
touch /tmp/foobar chcon -t unknownlabel /tmp/foobar
Would cause this AVC.