Bug 840241
| Summary: | SELinux is preventing /usr/sbin/sshd from read, open access on the file /usr/bin/login. | ||||||
|---|---|---|---|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Sam Markel <samjmarkel> | ||||
| Component: | selinux-policy | Assignee: | Miroslav Grepl <mgrepl> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 17 | CC: | dominick.grift, dwalsh, mgrepl, plautrba | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | x86_64 | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | abrt_hash:8b75b94a01232dc85bb643fa62ec1ffae4de88298f9582f726656583acdff661 | ||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2012-12-20 16:04:18 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Do you use 'UseLogin yes' in sshd_config? Do you need this option enabled? Can you attach your sshd.config? However, sshd should be probably enabled to run login. Created attachment 598521 [details]
My sshd_config file
We should allow this, although I am not sure if their are going to be other AVC's, just added allow rules to Fedora 18. Added.
commit 310a9d9a1bcfec35b49c2cb7d32965458331c04e
Author: Miroslav Grepl <mgrepl>
Date: Wed Oct 17 10:43:03 2012 +0200
Allow sshd_t to execute login program
selinux-policy-3.10.0-156.fc17 has been submitted as an update for Fedora 17. https://admin.fedoraproject.org/updates/selinux-policy-3.10.0-156.fc17 Package selinux-policy-3.10.0-156.fc17: * should fix your issue, * was pushed to the Fedora 17 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.10.0-156.fc17' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-16347/selinux-policy-3.10.0-156.fc17 then log in and leave karma (feedback). selinux-policy-3.10.0-156.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report. |
libreport version: 2.0.10 executable: /usr/bin/python2.7 hashmarkername: setroubleshoot kernel: 3.3.4-5.fc17.x86_64 time: Sat 14 Jul 2012 10:34:34 AM MST description: :SELinux is preventing /usr/sbin/sshd from read, open access on the file /usr/bin/login. : :***** Plugin leaks (86.2 confidence) suggests ****************************** : :If you want to ignore sshd trying to read open access the login file, because you believe it should not need this access. :Then you should report this as a bug. :You can generate a local policy module to dontaudit this access. :Do :# grep /usr/sbin/sshd /var/log/audit/audit.log | audit2allow -D -M mypol :# semodule -i mypol.pp : :***** Plugin catchall (14.7 confidence) suggests *************************** : :If you believe that sshd should be allowed read open access on the login 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 sshd /var/log/audit/audit.log | audit2allow -M mypol :# semodule -i mypol.pp : :Additional Information: :Source Context system_u:system_r:sshd_t:s0-s0:c0.c1023 :Target Context system_u:object_r:login_exec_t:s0 :Target Objects /usr/bin/login [ file ] :Source sshd :Source Path /usr/sbin/sshd :Port <Unknown> :Host (removed) :Source RPM Packages openssh-server-5.9p1-22.fc17.x86_64 :Target RPM Packages util-linux-2.21.1-1.fc17.x86_64 :Policy RPM selinux-policy-3.10.0-121.fc17.noarch :Selinux Enabled True :Policy Type targeted :Enforcing Mode Enforcing :Host Name (removed) :Platform Linux (removed) 3.3.4-5.fc17.x86_64 #1 SMP Mon : May 7 17:29:34 UTC 2012 x86_64 x86_64 :Alert Count 4 :First Seen Sat 14 Jul 2012 10:29:50 AM MST :Last Seen Sat 14 Jul 2012 10:32:46 AM MST :Local ID a0af3f1b-baae-427f-94bd-d93c473587a8 : :Raw Audit Messages :type=AVC msg=audit(1342287166.325:279): avc: denied { read open } for pid=4455 comm="sshd" name="login" dev="dm-1" ino=164413 scontext=system_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:login_exec_t:s0 tclass=file : : :type=SYSCALL msg=audit(1342287166.325:279): arch=x86_64 syscall=execve success=no exit=EACCES a0=7f22e6f88af6 a1=7fffebfd3ad0 a2=7f22e77a67e0 a3=8 items=0 ppid=4450 pid=4455 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts2 ses=22 comm=sshd exe=/usr/sbin/sshd subj=system_u:system_r:sshd_t:s0-s0:c0.c1023 key=(null) : :Hash: sshd,sshd_t,login_exec_t,file,read,open : :audit2allowunable to open /sys/fs/selinux/policy: Permission denied : : :audit2allow -Runable to open /sys/fs/selinux/policy: Permission denied : :