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Bug 1277199

Summary: SELinux denials appear when the asterisk service is started
Product: Red Hat Enterprise Linux 6 Reporter: Milos Malik <mmalik>
Component: selinux-policyAssignee: Miroslav Grepl <mgrepl>
Status: CLOSED ERRATA QA Contact: Milos Malik <mmalik>
Severity: medium Docs Contact:
Priority: medium    
Version: 6.7CC: dwalsh, lvrabec, mgrepl, mmalik, plautrba, pvrabec, ssekidde
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.7.19-282.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-05-10 20:02:19 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Milos Malik 2015-11-02 16:38:07 UTC 
Description of problem:

Version-Release number of selected component (if applicable):
asterisk-1.8.32.3-1.el6.x86_64
selinux-policy-3.7.19-281.el6.noarch
selinux-policy-doc-3.7.19-281.el6.noarch
selinux-policy-minimum-3.7.19-281.el6.noarch
selinux-policy-mls-3.7.19-281.el6.noarch
selinux-policy-targeted-3.7.19-281.el6.noarch

How reproducible:
always

Steps to Reproduce:
# setenforce 1
# service asterisk status
asterisk is stopped
# service asterisk start
Starting asterisk: Privilege escalation protection disabled!
See https://wiki.asterisk.org/wiki/x/1gKfAQ for more details.
                                                           [  OK  ]
# service asterisk status
asterisk (pid 9822) is running...
# ps -efZ | grep asterisk
unconfined_u:system_r:asterisk_t:s0 root  9822     1  1 17:33 ?        00:00:00 /usr/sbin/asterisk -C /etc/asterisk/asterisk.conf
unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 root 10014 6469  0 17:34 pts/0 00:00:00 grep asterisk
# 

Actual results:
----
type=SYSCALL msg=audit(11/02/2015 17:22:47.548:345) : arch=x86_64 syscall=ioctl success=no exit=-19(No such device) a0=0x3 a1=0x8927 a2=0x7ffd0fc1eb10 a3=0x0 items=0 ppid=4405 pid=4406 auid=root uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=pts0 ses=3 comm=asterisk exe=/usr/sbin/asterisk subj=unconfined_u:system_r:asterisk_t:s0 key=(null) 
type=AVC msg=audit(11/02/2015 17:22:47.548:345) : avc:  denied  { sys_module } for  pid=4406 comm=asterisk capability=sys_module  scontext=unconfined_u:system_r:asterisk_t:s0 tcontext=unconfined_u:system_r:asterisk_t:s0 tclass=capability 
----

Expected results:
 * no SELinux denials

Additional info:
 * this access is dontaudit-ed in RHEL-7 selinux-policy
Comment 2 Miroslav Grepl 2015-11-09 14:48:06 UTC 
We should dontaudit it.
Comment 6 errata-xmlrpc 2016-05-10 20:02:19 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-0763.html