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Bug 2043293 - SELinux is preventing chronyd from 'read' accesses on the directory chrony-dhcp.
Summary: SELinux is preventing chronyd from 'read' accesses on the directory chrony-dhcp.
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: 35
Hardware: x86_64
OS: Unspecified
Target Milestone: ---
Assignee: Zdenek Pytela
QA Contact: Fedora Extras Quality Assurance
Whiteboard: abrt_hash:958b6824593d1ef51e7c4201f7d...
Depends On:
TreeView+ depends on / blocked
Reported: 2022-01-21 00:10 UTC by Thomas Köller
Modified: 2022-04-10 19:52 UTC (History)
8 users (show)

Fixed In Version: selinux-policy-35.16-1.fc35
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2022-04-10 19:52:22 UTC
Type: ---

Attachments (Terms of Use)

Description Thomas Köller 2022-01-21 00:10:14 UTC
Description of problem:
Happens frequently
SELinux is preventing chronyd from 'read' accesses on the directory chrony-dhcp.

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

If you believe that chronyd should be allowed read access on the chrony-dhcp directory 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 'chronyd' --raw | audit2allow -M my-chronyd
# semodule -X 300 -i my-chronyd.pp

Additional Information:
Source Context                system_u:system_r:chronyd_t:s0
Target Context                system_u:object_r:dhcpc_var_run_t:s0
Target Objects                chrony-dhcp [ dir ]
Source                        chronyd
Source Path                   chronyd
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           
Target RPM Packages           
SELinux Policy RPM            selinux-policy-targeted-35.8-1.fc35.noarch
Local Policy RPM              selinux-policy-targeted-35.8-1.fc35.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Permissive
Host Name                     (removed)
Platform                      Linux (removed) 5.15.14-200.fc35.x86_64 #1 SMP Tue
                              Jan 11 16:49:27 UTC 2022 x86_64 x86_64
Alert Count                   1453
First Seen                    2021-12-20 14:04:57 CET
Last Seen                     2022-01-21 00:45:45 CET
Local ID                      bf674073-2703-4c13-9d8f-7d85ca2edad8

Raw Audit Messages
type=AVC msg=audit(1642722345.128:73558): avc:  denied  { read } for  pid=1086 comm="chronyd" name="chrony-dhcp" dev="tmpfs" ino=2334 scontext=system_u:system_r:chronyd_t:s0 tcontext=system_u:object_r:dhcpc_var_run_t:s0 tclass=dir permissive=1

Hash: chronyd,chronyd_t,dhcpc_var_run_t,dir,read

Version-Release number of selected component:

Additional info:
component:      selinux-policy
reporter:       libreport-2.15.2
hashmarkername: setroubleshoot
kernel:         5.15.14-200.fc35.x86_64
type:           libreport

Comment 1 Zdenek Pytela 2022-02-21 13:40:13 UTC
I've submitted a Fedora PR to address the issue:

Comment 2 Thomas Köller 2022-03-31 09:03:01 UTC
There is still an issue with this. The policy does not seem to be applied, unless 'fixfiles restore' is invoked manually:

[root@sarkovy ~]# fixfiles check /run
Would relabel /run/chrony-dhcp from system_u:object_r:dhcpc_var_run_t:s0 to system_u:object_r:chronyd_var_run_t:s0

Comment 3 Zdenek Pytela 2022-03-31 09:07:07 UTC
This has been fixed in F36/F37, but has not been backported to F35 yet.

Comment 4 Fedora Update System 2022-04-06 15:24:36 UTC
FEDORA-2022-9681e66715 has been submitted as an update to Fedora 35.

Comment 5 Fedora Update System 2022-04-06 19:48:40 UTC
FEDORA-2022-9681e66715 has been pushed to the Fedora 35 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2022-9681e66715`
You can provide feedback for this update here:

See also for more information on how to test updates.

Comment 6 Fedora Update System 2022-04-10 19:52:22 UTC
FEDORA-2022-9681e66715 has been pushed to the Fedora 35 stable repository.
If problem still persists, please make note of it in this bug report.

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