Bug 747321
| Summary: | SELinux is preventing /usr/sbin/sshd from getattr operation on /root/.hushlogin file | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Milos Malik <mmalik> |
| Component: | selinux-policy | Assignee: | Miroslav Grepl <mgrepl> |
| Status: | CLOSED ERRATA | QA Contact: | Milos Malik <mmalik> |
| Severity: | medium | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 6.2 | CC: | dwalsh, jrieden, syeghiay |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-3.7.19-119.el6 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2011-12-06 10:20:21 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: | |||
Are you able to log in? Yes, I'm able to log in. I suspect that more services (not just login and sshd) will read this file. Really read? What are you getting in permissive mode? You're right. getattr is enough. Here is what I see in permissive mode:
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time->Wed Oct 19 09:58:36 2011
type=SYSCALL msg=audit(1319032716.579:84457): arch=40000003 syscall=195 success=yes exit=0 a0=bfd301fc a1=bfd3019c a2=941ff4 a3=bfd301fc items=0 ppid=27477 pid=27481 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=55 comm="sshd" exe="/usr/sbin/sshd" subj=unconfined_u:system_r:sshd_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1319032716.579:84457): avc: denied { getattr } for pid=27481 comm="sshd" path="/root/.hushlogin" dev=dm-0 ino=131098 scontext=unconfined_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:local_login_home_t:s0 tclass=file
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Lets add this to the auth_use_pam() Fixed in selinux-policy-3.7.19-119.el6.noarch Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHBA-2011-1511.html |
Description of problem: Version-Release number of selected component (if applicable): selinux-policy-minimum-3.7.19-118.el6.noarch selinux-policy-mls-3.7.19-118.el6.noarch selinux-policy-targeted-3.7.19-118.el6.noarch selinux-policy-3.7.19-118.el6.noarch selinux-policy-doc-3.7.19-118.el6.noarch How reproducible: always Steps to Reproduce: 1. get a fresh RHEL-6.2 machine 2. log in as root 3. touch /root/.hushlogin 4. restorecon -Rv /root 5. log out 6. log in as root via ssh 7. ausearch -m avc -m user_avc -ts recent Actual results: ---- time->Wed Oct 19 09:32:32 2011 type=SYSCALL msg=audit(1319031152.398:84367): arch=40000003 syscall=195 success=no exit=-13 a0=bf8b53bc a1=bf8b535c a2=924ff4 a3=bf8b53bc items=0 ppid=27275 pid=27283 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=50 comm="sshd" exe="/usr/sbin/sshd" subj=unconfined_u:system_r:sshd_t:s0-s0:c0.c1023 key=(null) type=AVC msg=audit(1319031152.398:84367): avc: denied { getattr } for pid=27283 comm="sshd" path="/root/.hushlogin" dev=dm-0 ino=131098 scontext=unconfined_u:system_r:sshd_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:local_login_home_t:s0 tclass=file ---- Expected results: * no AVCs