Red Hat Bugzilla – Bug 867923
SELinux is preventing /usr/bin/chsh from 'write' accesses on the file /etc/.pwd.lock.
Last modified: 2012-12-20 11:15:20 EST
Description of problem: Did execute chsh -s /bin/zsh Additional info: libreport version: 2.0.16 kernel: 3.6.2-2.fc18.x86_64 description: :SELinux is preventing /usr/bin/chsh from 'write' accesses on the file /etc/.pwd.lock. : :***** Plugin catchall (100. confidence) suggests *************************** : :If sie denken, dass es chsh standardmässig erlaubt sein sollte, write Zugriff auf .pwd.lock file zu erhalten. :Then sie sollten dies als Fehler melden. :Um diesen Zugriff zu erlauben, können Sie ein lokales Richtlinien-Modul erstellen. :Do :zugriff jetzt erlauben, indem Sie die nachfolgenden Befehle ausführen: :# grep chsh /var/log/audit/audit.log | audit2allow -M mypol :# semodule -i mypol.pp : :Additional Information: :Source Context unconfined_u:unconfined_r:chfn_t:s0-s0:c0.c1023 :Target Context system_u:object_r:shadow_t:s0 :Target Objects /etc/.pwd.lock [ file ] :Source chsh :Source Path /usr/bin/chsh :Port <Unbekannt> :Host (removed) :Source RPM Packages util-linux-2.22.1-1.fc18.x86_64 :Target RPM Packages :Policy RPM selinux-policy-3.11.1-36.fc18.noarch :Selinux Enabled True :Policy Type targeted :Enforcing Mode Enforcing :Host Name (removed) :Platform Linux (removed) 3.6.2-2.fc18.x86_64 #1 SMP Wed Oct : 17 05:56:07 UTC 2012 x86_64 x86_64 :Alert Count 1 :First Seen 2012-10-18 16:57:20 CEST :Last Seen 2012-10-18 16:57:20 CEST :Local ID c5f7cbac-b5ed-41b3-a440-9ffa8175b7b8 : :Raw Audit Messages :type=AVC msg=audit(1350572240.986:374): avc: denied { write } for pid=4733 comm="chsh" name=".pwd.lock" dev="sda3" ino=142169 scontext=unconfined_u:unconfined_r:chfn_t:s0-s0:c0.c1023 tcontext=system_u:object_r:shadow_t:s0 tclass=file : : :type=SYSCALL msg=audit(1350572240.986:374): arch=x86_64 syscall=open success=no exit=EACCES a0=7ff0439aa1ac a1=80041 a2=180 a3=22 items=0 ppid=4658 pid=4733 auid=1000 uid=1000 gid=1000 euid=0 suid=0 fsuid=0 egid=1000 sgid=1000 fsgid=1000 tty=pts0 ses=2 comm=chsh exe=/usr/bin/chsh subj=unconfined_u:unconfined_r:chfn_t:s0-s0:c0.c1023 key=(null) : :Hash: chsh,chfn_t,shadow_t,file,write : :audit2allow : :#============= chfn_t ============== :allow chfn_t shadow_t:file write; : :audit2allow -R : :#============= chfn_t ============== :allow chfn_t shadow_t:file write; :
Created attachment 629506 [details] File: type
Created attachment 629507 [details] File: hashmarkername
Attempting to change shell using chsh -s /bin/zsh, fresh install of F17 updated to latest F18 Package: (null) OS Release: Fedora release 18 (Spherical Cow)
Fixed in selinux-policy-3.11.1-47.fc18.noarch
selinux-policy-3.11.1-50.fc18 has been submitted as an update for Fedora 18. https://admin.fedoraproject.org/updates/selinux-policy-3.11.1-50.fc18
Package selinux-policy-3.11.1-50.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.11.1-50.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-17705/selinux-policy-3.11.1-50.fc18 then log in and leave karma (feedback).
selinux-policy-3.11.1-50.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.