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Bug 1747768 - SELinux prevents NetworkManager from opening bluetooth socket for DUN connections
Summary: SELinux prevents NetworkManager from opening bluetooth socket for DUN connect...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: selinux-policy
Version: 8.1
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: 8.2
Assignee: Lukas Vrabec
QA Contact: Milos Malik
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-09-01 11:35 UTC by Thomas Haller
Modified: 2020-04-28 16:41 UTC (History)
12 users (show)

Fixed In Version: selinux-policy-3.14.3-22.el8
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-04-28 16:41:06 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2020:1773 0 None None None 2020-04-28 16:41:28 UTC

Description Thomas Haller 2019-09-01 11:35:45 UTC 
DUN connections are established by creating and connecting an AF_BLUETOOTH socket.

SELinux does not allow NetworkManager to do that:

Sep 01 13:32:45 rh1 audit[8403]: AVC avc:  denied  { create } for  pid=8403 comm="NetworkManager" scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:system_r:NetworkManager_t:s0 tclass=bluetooth_socket permissive=0





Sep 01 13:32:49 rh1 setroubleshoot[8871]: SELinux is preventing NetworkManager from create access on the bluetooth_socket labeled NetworkManager_t. For complete SELinux messages run: sealert -l b1733272-f75d-4f31-8f6f-746a2957c5f7
Sep 01 13:32:49 rh1 python3[8871]: SELinux is preventing NetworkManager from create access on the bluetooth_socket labeled NetworkManager_t.
                                   
                                   *****  Plugin catchall (100. confidence) suggests   **************************
                                   
                                   If you believe that NetworkManager should be allowed create access on bluetooth_socket labeled NetworkManager_t 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 'NetworkManager' --raw | audit2allow -M my-NetworkManager
                                   # semodule -X 300 -i my-NetworkManager.pp
Comment 1 Thomas Haller 2019-09-01 11:48:02 UTC 
https://github.com/fedora-selinux/selinux-policy-contrib/pull/133
Comment 2 Lukas Vrabec 2019-09-23 08:26:17 UTC 
Hi All, 

PR is merged and backported to Rawhide,F31 and F30.
Comment 3 Thomas Haller 2019-09-23 10:28:15 UTC 
(In reply to Lukas Vrabec from comment #2)
> Hi All, 
> 
> PR is merged and backported to Rawhide,F31 and F30.

Thank you Lukas,


I think we can close this bug then.

(maybe I should reassign it to SELinux component, but since it's fixed already, there isn't much point).

Closing.
Comment 4 Thomas Haller 2019-09-23 10:29:21 UTC 
OK, I am an idiot.

This bug is for RHEL-8...

Reopening and reassigning. Sorry.
Comment 14 errata-xmlrpc 2020-04-28 16:41:06 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-2020:1773
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