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Bug 1615492 - nsd daemon needs access to remove/add socket file /run/nsd/nsd.ctl
Summary: nsd daemon needs access to remove/add socket file /run/nsd/nsd.ctl
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: 29
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Lukas Vrabec
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-08-13 17:38 UTC by Paul Wouters
Modified: 2018-09-12 03:00 UTC (History)
5 users (show)

Fixed In Version: selinux-policy-3.14.2-34.fc29
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-09-12 03:00:31 UTC
Type: Bug
Embargoed:

Attachments (Terms of Use)

Description Paul Wouters 2018-08-13 17:38:24 UTC 
Description of problem:
nsd up to 4.1.23 uses a TLS mechanism to talk to its daemon. As of 4.1.24 it also supports a unix domain socket in /run/nsd/nsd.ctl.

The daemon /usr/sbin/nsd needs to be able to create/delete it. It now shows:

type=AVC msg=audit(1534181431.633:296959): avc:  denied  { create } for  pid=14918 comm="nsd" name="nsd.ctl" scontext=system_u:system_r:nsd_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file


type=SYSCALL msg=audit(1534181431.633:296959): arch=x86_64 syscall=bind success=yes exit=0 a0=8 a1=7ffe897a0a00 a2=6e a3=8 items=0 ppid=1 pid=14918 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=nsd exe=/usr/sbin/nsd subj=system_u:system_r:nsd_t:s0 key=(null)

Hash: nsd,nsd_t,var_run_t,sock_file,create


type=AVC msg=audit(1534181431.634:296960): avc:  denied  { setattr } for  pid=14918 comm="nsd" name="nsd.ctl" dev="tmpfs" ino=332978837 scontext=system_u:system_r:nsd_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file


Hash: nsd,nsd_t,var_run_t,sock_file,setattr
Comment 1 Paul Wouters 2018-08-13 17:39:36 UTC 
same would apply to epel
Comment 2 Jan Kurik 2018-08-14 08:36:36 UTC 
This bug appears to have been reported against 'rawhide' during the Fedora 29 development cycle.
Changing version to '29'.
Comment 3 Fedora Update System 2018-09-11 12:53:52 UTC 
selinux-policy-3.14.2-34.fc29 has been submitted as an update to Fedora 29. https://bodhi.fedoraproject.org/updates/FEDORA-2018-db240a1726
Comment 4 Fedora Update System 2018-09-12 03:00:31 UTC 
selinux-policy-3.14.2-34.fc29 has been pushed to the Fedora 29 stable repository. If problems still persist, please make note of it in this bug report.
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