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Bug 1150274 - SELinux prevents portreserve from writing to /var/lib/sss/pipes/nss socket
Summary: SELinux prevents portreserve from writing to /var/lib/sss/pipes/nss socket
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: selinux-policy
Version: 7.1
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Miroslav Grepl
QA Contact: Milos Malik
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-10-07 19:15 UTC by Milos Malik
Modified: 2015-03-05 10:45 UTC (History)
0 users

Fixed In Version: selinux-policy-3.13.1-5.el7
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-03-05 10:45:40 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:0458 0 normal SHIPPED_LIVE selinux-policy bug fix and enhancement update 2015-03-05 15:17:00 UTC

Description Milos Malik 2014-10-07 19:15:19 UTC 
Description of problem:

Version-Release number of selected component (if applicable):
portreserve-0.0.5-10.el7.x86_64
selinux-policy-3.13.1-2.el7.noarch
selinux-policy-devel-3.13.1-2.el7.noarch
selinux-policy-doc-3.13.1-2.el7.noarch
selinux-policy-minimum-3.13.1-2.el7.noarch
selinux-policy-mls-3.13.1-2.el7.noarch
selinux-policy-sandbox-3.13.1-2.el7.noarch
selinux-policy-targeted-3.13.1-2.el7.noarch

How reproducible:
always

Steps to Reproduce:
1. get a RHEL-7.1 machine with active targeted policy
2. install the portreserve, sssd and spamassassin packages
3. start the sssd service
4. start the portreserve services
5. search for AVCs

Actual results (enforcing mode):
----
type=PATH msg=audit(10/07/2014 20:55:58.185:963) : item=0 name=(null) inode=26837677 dev=fd:03 mode=socket,666 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:sssd_var_lib_t:s0 objtype=NORMAL 
type=SOCKADDR msg=audit(10/07/2014 20:55:58.185:963) : saddr=local /var/lib/sss/pipes/nss 
type=SYSCALL msg=audit(10/07/2014 20:55:58.185:963) : arch=x86_64 syscall=connect success=no exit=-13(Permission denied) a0=0x5 a1=0x7fffb15bc720 a2=0x6e a3=0x7f815e8e2220 items=1 ppid=1 pid=11044 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=portreserve exe=/usr/sbin/portreserve subj=system_u:system_r:portreserve_t:s0 key=(null) 
type=AVC msg=audit(10/07/2014 20:55:58.185:963) : avc:  denied  { write } for  pid=11044 comm=portreserve name=nss dev="vda3" ino=26837677 scontext=system_u:system_r:portreserve_t:s0 tcontext=system_u:object_r:sssd_var_lib_t:s0 tclass=sock_file 
----

Actual results (permissive mode):
----
type=PATH msg=audit(10/07/2014 20:58:06.026:996) : item=0 name=(null) inode=26837677 dev=fd:03 mode=socket,666 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:sssd_var_lib_t:s0 objtype=NORMAL 
type=SOCKADDR msg=audit(10/07/2014 20:58:06.026:996) : saddr=local /var/lib/sss/pipes/nss 
type=SYSCALL msg=audit(10/07/2014 20:58:06.026:996) : arch=x86_64 syscall=connect success=yes exit=0 a0=0x4 a1=0x7fffac9d0220 a2=0x6e a3=0x7fffac9cff40 items=1 ppid=1 pid=18789 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=portreserve exe=/usr/sbin/portreserve subj=system_u:system_r:portreserve_t:s0 key=(null) 
type=AVC msg=audit(10/07/2014 20:58:06.026:996) : avc:  denied  { connectto } for  pid=18789 comm=portreserve path=/var/lib/sss/pipes/nss scontext=system_u:system_r:portreserve_t:s0 tcontext=system_u:system_r:sssd_t:s0 tclass=unix_stream_socket 
type=AVC msg=audit(10/07/2014 20:58:06.026:996) : avc:  denied  { write } for  pid=18789 comm=portreserve name=nss dev="vda3" ino=26837677 scontext=system_u:system_r:portreserve_t:s0 tcontext=system_u:object_r:sssd_var_lib_t:s0 tclass=sock_file 
----

Expected results:
 * no AVCs
Comment 1 Miroslav Grepl 2014-10-13 09:46:07 UTC 
commit dfa56fb4e279d38c0e56eab2bebad9c48afccdb5
Author: Miroslav Grepl <mgrepl>
Date:   Mon Oct 13 11:45:44 2014 +0200

    Add auth_use_nsswitch for portreserve to make it working with sssd.
Comment 5 errata-xmlrpc 2015-03-05 10:45:40 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-2015-0458.html
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