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Description of problem: SELinux is preventing unix_chkpwd from 'read' accesses on the file /etc/shadow. ***** Plugin catchall (100. confidence) suggests ************************** If you believe that unix_chkpwd should be allowed read access on the shadow file by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # grep unix_chkpwd /var/log/audit/audit.log | audit2allow -M mypol # semodule -i mypol.pp Additional Information: Source Context system_u:system_r:httpd_t:s0 Target Context system_u:object_r:shadow_t:s0 Target Objects /etc/shadow [ file ] Source unix_chkpwd Source Path unix_chkpwd Port <Unknown> Host (removed) Source RPM Packages Target RPM Packages setup-2.10.1-1.fc23.noarch Policy RPM selinux-policy-3.13.1-158.9.fc23.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name (removed) Platform Linux (removed) 4.4.4-301.fc23.x86_64 #1 SMP Fri Mar 4 17:42:42 UTC 2016 x86_64 x86_64 Alert Count 2 First Seen 2016-03-17 12:07:39 CST Last Seen 2016-03-17 12:07:39 CST Local ID 396210f8-f215-40e7-8f27-e004c1b30f8f Raw Audit Messages type=AVC msg=audit(1458187659.490:461): avc: denied { read } for pid=6256 comm="unix_chkpwd" name="shadow" dev="dm-1" ino=1182133 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:shadow_t:s0 tclass=file permissive=0 Hash: unix_chkpwd,httpd_t,shadow_t,file,read Version-Release number of selected component: selinux-policy-3.13.1-158.9.fc23.noarch Additional info: reporter: libreport-2.6.4 hashmarkername: setroubleshoot kernel: 4.4.4-301.fc23.x86_64 type: libreport
Allowing the apache process to read the /etc/shadow file seems like a bad idea.