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Bug 1405716 - SELinux is preventing /usr/bin/python2.7 from read access on the file unix.
Summary: SELinux is preventing /usr/bin/python2.7 from read access on the file unix.
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: selinux-policy
Version: 7.3
Hardware: x86_64
OS: Linux
unspecified
urgent
Target Milestone: rc
: ---
Assignee: Lukas Vrabec
QA Contact: Milos Malik
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-12-17 18:26 UTC by Brian J. Murrell
Modified: 2018-04-10 12:26 UTC (History)
6 users (show)

Fixed In Version: selinux-policy-3.13.1-177.el7
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-04-10 12:25:40 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2018:0763 0 None None None 2018-04-10 12:26:24 UTC

Description Brian J. Murrell 2016-12-17 18:26:53 UTC 
SELinux is preventing /usr/bin/python2.7 from read access on the file unix.

*****  Plugin catchall (100. confidence) suggests   **************************

If you believe that python2.7 should be allowed read access on the unix file by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
Do
allow this access for now by executing:
# ausearch -c 'ipa-dnskeysyncd' --raw | audit2allow -M my-ipadnskeysyncd
# semodule -i my-ipadnskeysyncd.pp


Additional Information:
Source Context                system_u:system_r:ipa_dnskey_t:s0
Target Context                system_u:object_r:proc_net_t:s0
Target Objects                unix [ file ]
Source                        ipa-dnskeysyncd
Source Path                   /usr/bin/python2.7
Port                          <Unknown>
Host                          server.interlinx.bc.ca
Source RPM Packages
Target RPM Packages
Policy RPM                    selinux-policy-3.13.1-102.el7_3.7.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     server.interlinx.bc.ca
Platform                      Linux server.interlinx.bc.ca
                              3.10.0-514.2.2.el7.x86_64 #1 SMP Tue Dec 6
                              23:06:41 UTC 2016 x86_64 x86_64
Alert Count                   825
First Seen                    2016-12-16 22:09:54 EST
Last Seen                     2016-12-17 13:23:10 EST
Local ID                      06ab36fb-2d79-4937-a7ca-51c50af854cf

Raw Audit Messages
type=AVC msg=audit(1481998990.686:7332): avc:  denied  { read } for  pid=29769 comm="ipa-dnskeysyncd" name="unix" dev="proc" ino=4026532003 scontext=system_u:system_r:ipa_dnskey_t:s0 tcontext=system_u:object_r:proc_net_t:s0 tclass=file


Hash: ipa-dnskeysyncd,ipa_dnskey_t,proc_net_t,file,read
Comment 2 Milos Malik 2016-12-19 10:30:08 UTC 
# ls -il /proc/net/unix 
4026532003 -r--r--r--. 1 root root 0 Dec 19 05:28 /proc/net/unix
# ls -Z /proc/net/unix 
-r--r--r--. root root system_u:object_r:proc_net_t:s0  /proc/net/unix
#

My guess is that SELinux policy developers should allow { getattr open read } to proc_net_t for all domains.
Comment 4 Milos Malik 2017-10-19 13:53:13 UTC 
https://github.com/fedora-selinux/selinux-policy-contrib/pull/36
Comment 9 errata-xmlrpc 2018-04-10 12:25:40 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://access.redhat.com/errata/RHBA-2018:0763
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