Bug 2070749 - SELinux is preventing 20-chrony-dhcp from 'append' accesses on the unix_stream_socket unix_stream_socket.
Summary: SELinux is preventing 20-chrony-dhcp from 'append' accesses on the unix_strea...
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: 36
Hardware: x86_64
OS: Unspecified
Target Milestone: ---
Assignee: Zdenek Pytela
QA Contact: Fedora Extras Quality Assurance
Whiteboard: abrt_hash:e85e808edb95520323de54faf46...
Depends On:
TreeView+ depends on / blocked
Reported: 2022-03-31 20:08 UTC by Dominik 'Rathann' Mierzejewski
Modified: 2022-05-02 19:43 UTC (History)
8 users (show)

Fixed In Version: selinux-policy-36.8-1.fc36
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2022-05-02 19:43:21 UTC
Type: ---

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Github fedora-selinux selinux-policy pull 1164 0 None open Allow nm-dispatcher chronyc plugin append to init stream sockets 2022-04-25 08:35:55 UTC

Description Dominik 'Rathann' Mierzejewski 2022-03-31 20:08:54 UTC
Description of problem:
This just occurred on system boot.
SELinux is preventing 20-chrony-dhcp from 'append' accesses on the unix_stream_socket unix_stream_socket.

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

If you believe that 20-chrony-dhcp should be allowed append access on the unix_stream_socket unix_stream_socket by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
allow this access for now by executing:
# ausearch -c '20-chrony-dhcp' --raw | audit2allow -M my-20chronydhcp
# semodule -X 300 -i my-20chronydhcp.pp

Additional Information:
Source Context                system_u:system_r:NetworkManager_dispatcher_chrony
Target Context                system_u:system_r:init_t:s0
Target Objects                unix_stream_socket [ unix_stream_socket ]
Source                        20-chrony-dhcp
Source Path                   20-chrony-dhcp
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           
Target RPM Packages           
SELinux Policy RPM            selinux-policy-targeted-36.5-1.fc36.noarch
Local Policy RPM              selinux-policy-targeted-36.5-1.fc36.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     (removed)
Platform                      Linux (removed) 5.17.1-300.fc36.x86_64 #1 SMP
                              PREEMPT Mon Mar 28 15:27:56 UTC 2022 x86_64 x86_64
Alert Count                   20
First Seen                    2022-03-31 22:00:25 CEST
Last Seen                     2022-03-31 22:00:32 CEST
Local ID                      ffc9dbe6-e442-4610-8917-11e8867b9b44

Raw Audit Messages
type=AVC msg=audit(1648756832.544:420): avc:  denied  { append } for  pid=1706 comm="20-chrony-onoff" path="socket:[24068]" dev="sockfs" ino=24068 scontext=system_u:system_r:NetworkManager_dispatcher_chronyc_t:s0 tcontext=system_u:system_r:init_t:s0 tclass=unix_stream_socket permissive=0

Hash: 20-chrony-dhcp,NetworkManager_dispatcher_chronyc_t,init_t,unix_stream_socket,append

Version-Release number of selected component:

Additional info:
component:      selinux-policy
reporter:       libreport-2.17.1
hashmarkername: setroubleshoot
kernel:         5.17.1-300.fc36.x86_64
type:           libreport

Comment 1 Fedora Update System 2022-04-27 08:00:43 UTC
FEDORA-2022-47789bbc9d has been submitted as an update to Fedora 36. https://bodhi.fedoraproject.org/updates/FEDORA-2022-47789bbc9d

Comment 2 Fedora Update System 2022-04-28 05:11:07 UTC
FEDORA-2022-47789bbc9d has been pushed to the Fedora 36 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2022-47789bbc9d`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2022-47789bbc9d

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 3 Fedora Update System 2022-05-02 19:43:21 UTC
FEDORA-2022-47789bbc9d has been pushed to the Fedora 36 stable repository.
If problem still persists, please make note of it in this bug report.

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