Bug 1148572
| Summary: | SELinux prevents zebra from communicating with sssd | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Milos Malik <mmalik> |
| Component: | selinux-policy | Assignee: | Lukas Vrabec <lvrabec> |
| Status: | CLOSED ERRATA | QA Contact: | Milos Malik <mmalik> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 6.6 | CC: | dwalsh, kyle, mgrepl, ssekidde |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-3.7.19-261.el6 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2015-07-22 07:08:40 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
Actual results (permissive mode):
----
type=PATH msg=audit(10/01/2014 20:38:55.281:323) : item=0 name=/var/lib/sss/mc/group inode=6382 dev=fc:03 mode=file,644 ouid=root ogid=root rdev=00:00 obj=unconfined_u:object_r:sssd_public_t:s0 nametype=NORMAL
type=CWD msg=audit(10/01/2014 20:38:55.281:323) : cwd=/
type=SYSCALL msg=audit(10/01/2014 20:38:55.281:323) : arch=x86_64 syscall=open success=yes exit=4 a0=0x7f9e49fcc070 a1=O_RDONLY|O_CLOEXEC a2=0x7fff05983a7c a3=0x7fff05983730 items=1 ppid=6940 pid=6941 auid=root uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=pts1 ses=6 comm=zebra exe=/usr/sbin/zebra subj=unconfined_u:system_r:zebra_t:s0 key=(null)
type=AVC msg=audit(10/01/2014 20:38:55.281:323) : avc: denied { open } for pid=6941 comm=zebra name=group dev=vda3 ino=6382 scontext=unconfined_u:system_r:zebra_t:s0 tcontext=unconfined_u:object_r:sssd_public_t:s0 tclass=file
type=AVC msg=audit(10/01/2014 20:38:55.281:323) : avc: denied { read } for pid=6941 comm=zebra name=group dev=vda3 ino=6382 scontext=unconfined_u:system_r:zebra_t:s0 tcontext=unconfined_u:object_r:sssd_public_t:s0 tclass=file
type=AVC msg=audit(10/01/2014 20:38:55.281:323) : avc: denied { search } for pid=6941 comm=zebra name=mc dev=vda3 ino=25545 scontext=unconfined_u:system_r:zebra_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=dir
type=AVC msg=audit(10/01/2014 20:38:55.281:323) : avc: denied { search } for pid=6941 comm=zebra name=sss dev=vda3 ino=25543 scontext=unconfined_u:system_r:zebra_t:s0 tcontext=system_u:object_r:sssd_var_lib_t:s0 tclass=dir
----
type=PATH msg=audit(10/01/2014 20:38:55.283:324) : item=0 name=(null) inode=6380 dev=fc:03 mode=socket,666 ouid=root ogid=root rdev=00:00 obj=unconfined_u:object_r:sssd_var_lib_t:s0 nametype=NORMAL
type=SOCKADDR msg=audit(10/01/2014 20:38:55.283:324) : saddr=local /var/lib/sss/pipes/nss
type=SYSCALL msg=audit(10/01/2014 20:38:55.283:324) : arch=x86_64 syscall=connect success=yes exit=0 a0=0x5 a1=0x7fff05983a30 a2=0x6e a3=0x7fff059836c0 items=1 ppid=6940 pid=6941 auid=root uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=pts1 ses=6 comm=zebra exe=/usr/sbin/zebra subj=unconfined_u:system_r:zebra_t:s0 key=(null)
type=AVC msg=audit(10/01/2014 20:38:55.283:324) : avc: denied { connectto } for pid=6941 comm=zebra path=/var/lib/sss/pipes/nss scontext=unconfined_u:system_r:zebra_t:s0 tcontext=unconfined_u:system_r:sssd_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(10/01/2014 20:38:55.283:324) : avc: denied { write } for pid=6941 comm=zebra name=nss dev=vda3 ino=6380 scontext=unconfined_u:system_r:zebra_t:s0 tcontext=unconfined_u:object_r:sssd_var_lib_t:s0 tclass=sock_file
----
commit 2d9fc47c5a2b6769828d9e260eaa001b9458c072
Author: Simon Sekidde <ssekidde>
Date: Sat Oct 18 18:59:57 2014 -0400
Allow zebra to communicate with sssd
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. https://rhn.redhat.com/errata/RHBA-2015-1375.html |
Description of problem: * zebra attempts to look up the quaggavt group (and other users/groups) upon starting. However, if sssd is used to look up group information, this fails due to selinux policy prohibiting zebra from connecting to the sssd socket. Version-Release number of selected component (if applicable): selinux-policy-mls-3.7.19-260.el6.noarch selinux-policy-targeted-3.7.19-260.el6.noarch selinux-policy-doc-3.7.19-260.el6.noarch selinux-policy-minimum-3.7.19-260.el6.noarch selinux-policy-3.7.19-260.el6.noarch quagga-0.99.15-7.el6_3.2.x86_64 How reproducible: * always Steps to Reproduce: 1. install both quagga and sssd 2. configure the system to leverage sssd for user/group look-ups 3. service sssd start 4. service zebra start Actual results (enforcing mode): ---- type=PATH msg=audit(10/01/2014 20:29:09.710:321) : item=0 name=(null) inode=25543 dev=fc:03 mode=dir,755 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:sssd_var_lib_t:s0 nametype=NORMAL type=SOCKADDR msg=audit(10/01/2014 20:29:09.710:321) : saddr=local /var/lib/sss/pipes/nss type=SYSCALL msg=audit(10/01/2014 20:29:09.710:321) : arch=x86_64 syscall=connect success=no exit=-13(Permission denied) a0=0x4 a1=0x7fff63f0ed70 a2=0x6e a3=0x7fff63f0ea00 items=1 ppid=6713 pid=6714 auid=root uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=pts1 ses=6 comm=zebra exe=/usr/sbin/zebra subj=unconfined_u:system_r:zebra_t:s0 key=(null) type=AVC msg=audit(10/01/2014 20:29:09.710:321) : avc: denied { search } for pid=6714 comm=zebra name=sss dev=vda3 ino=25543 scontext=unconfined_u:system_r:zebra_t:s0 tcontext=system_u:object_r:sssd_var_lib_t:s0 tclass=dir ---- Expected results: * no AVCs