Bug 594029 - SELinux is preventing /usr/sbin/ntpd "read" access on hosts.
SELinux is preventing /usr/sbin/ntpd "read" access on hosts.
Status: CLOSED NOTABUG
Product: Fedora
Classification: Fedora
Component: selinux-policy (Show other bugs)
13
x86_64 Linux
medium Severity medium
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Assigned To: Daniel Walsh
Fedora Extras Quality Assurance
setroubleshoot_trace_hash:2033afdd72f...
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Depends On:
Blocks:
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Reported: 2010-05-20 07:49 EDT by Adam Williamson
Modified: 2010-05-20 09:49 EDT (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
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Last Closed: 2010-05-20 09:49:23 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Adam Williamson 2010-05-20 07:49:05 EDT
Summary:

SELinux is preventing /usr/sbin/ntpd "read" access on hosts.

Detailed Description:

SELinux denied access requested by ntpd. It is not expected that this access is
required by ntpd and this access may signal an intrusion attempt. It is also
possible that the specific version or configuration of the application is
causing it to require additional access.

Allowing Access:

You can generate a local policy module to allow this access - see FAQ
(http://docs.fedoraproject.org/selinux-faq-fc5/#id2961385) Please file a bug
report.

Additional Information:

Source Context                system_u:system_r:ntpd_t:s0
Target Context                unconfined_u:object_r:user_home_t:s0
Target Objects                hosts [ file ]
Source                        ntpd
Source Path                   /usr/sbin/ntpd
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           ntp-4.2.6p1-2.fc13
Target RPM Packages           
Policy RPM                    selinux-policy-3.7.19-15.fc13
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Plugin Name                   catchall
Host Name                     (removed)
Platform                      Linux (removed) 2.6.33.4-95.fc13.x86_64 #1
                              SMP Thu May 13 05:16:23 UTC 2010 x86_64 x86_64
Alert Count                   45
First Seen                    Wed 19 May 2010 10:56:08 PM PDT
Last Seen                     Wed 19 May 2010 11:07:32 PM PDT
Local ID                      f69eb3b2-45f8-4b26-a936-aa13082e73e8
Line Numbers                  

Raw Audit Messages            

node=(removed) type=AVC msg=audit(1274335652.645:27): avc:  denied  { read } for  pid=1640 comm="ntpd" name="hosts" dev=md127p5 ino=524491 scontext=system_u:system_r:ntpd_t:s0 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file

node=(removed) type=SYSCALL msg=audit(1274335652.645:27): arch=c000003e syscall=2 success=no exit=-13 a0=7faff48582a6 a1=80000 a2=1b6 a3=0 items=0 ppid=1632 pid=1640 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="ntpd" exe="/usr/sbin/ntpd" subj=system_u:system_r:ntpd_t:s0 key=(null)



Hash String generated from  catchall,ntpd,ntpd_t,user_home_t,file,read
audit2allow suggests:

#============= ntpd_t ==============
allow ntpd_t user_home_t:file read;
Comment 1 Adam Williamson 2010-05-20 07:50:49 EDT
This is on current F13 with updates-testing packages.



-- 
Fedora Bugzappers volunteer triage team
https://fedoraproject.org/wiki/BugZappers
Comment 2 Daniel Walsh 2010-05-20 09:49:23 EDT
Your hosts file has a label of a user homedir.

restorecon -R -v /etc

Should fix.

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