Bug 1351378 - Bluez shouldn't need mounton /etc access
Summary: Bluez shouldn't need mounton /etc access
Alias: None
Product: Fedora
Classification: Fedora
Component: bluez
Version: 24
Hardware: Unspecified
OS: Linux
Target Milestone: ---
Assignee: Don Zickus
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2016-06-29 23:07 UTC by Bernardo Donadio
Modified: 2017-08-08 15:11 UTC (History)
4 users (show)

Clone Of:
Last Closed: 2017-08-08 15:11:09 UTC

Attachments (Terms of Use)

External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Bugzilla 1341753 None None None 2016-06-29 23:07 UTC

Description Bernardo Donadio 2016-06-29 23:07:17 UTC
Description of problem:
After a fresh F24 install, SELinux complains that bluez-5.40-1 (specifically, the /usr/libexec/bluetooth/bluetoothd binary) wants to have mounton access on /etc (not any subdir, but the /etc itself), despite having no sane justification for doing so.

As intended, SELinux blocks this request. Even though not side effect is seen on my system, other have reported that their capability to use bluetooth was impaired, as per bug #1341753.

The AVC denial is the following, and the system was put in permissive mode in order to confirm the issue:
type=AVC msg=audit(1467239211.21:93): avc:  denied  { mounton } for  pid=1091 comm="(uetoothd)" path="/etc" dev="dm-0" ino=783362 scontext=system_u:system_r:init_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=dir permissive=1

No other AVC is logged even when permissive mode is enabled.

In my case, the PID 1091 proccess is, indeed, /usr/libexec/bluetooth/bluetoothd, which was started by init.

Version-Release number of selected component (if applicable): bluez-5.40-1.fc24.x86_64

How reproducible: Always. Reproducible on all three Fedora 24 systems of mine.

Steps to Reproduce:
1. Install a fresh F24 system and start the system.
2. The above pasted AVC will be logged in the auditd log.

Expected results:
No package should need to mount anything on /etc. This access request should be removed.

Comment 1 Phil Duby 2016-07-25 20:25:20 UTC
Duplicate of https://bugzilla.redhat.com/show_bug.cgi?id=1341753

Comment 2 Fedora End Of Life 2017-07-25 21:26:28 UTC
This message is a reminder that Fedora 24 is nearing its end of life.
Approximately 2 (two) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 24. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as EOL if it remains open with a Fedora  'version'
of '24'.

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Comment 3 Fedora End Of Life 2017-08-08 15:11:09 UTC
Fedora 24 changed to end-of-life (EOL) status on 2017-08-08. Fedora 24 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

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