Bug 1236616
| Summary: | SELinux prevents systemd-networkd from communicating with sssd | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | 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: | 7.2 | CC: | lvrabec, mgrepl, mmalik, plautrba, pvrabec, ssekidde |
| Target Milestone: | rc | ||
| Target Release: | 7.2 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-3.13.1-43.el7 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2015-11-19 10:38:26 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: | |||
Caught in permissive mode:
----
type=PATH msg=audit(06/29/2015 16:44:41.119:261) : item=0 name=/var/lib/sss/mc/passwd inode=17910099 dev=fd:03 mode=file,644 ouid=sssd ogid=sssd rdev=00:00 obj=system_u:object_r:sssd_public_t:s0 objtype=NORMAL
type=CWD msg=audit(06/29/2015 16:44:41.119:261) : cwd=/
type=SYSCALL msg=audit(06/29/2015 16:44:41.119:261) : arch=x86_64 syscall=open success=yes exit=5 a0=0x7fe99022f260 a1=O_RDONLY|O_CLOEXEC a2=0x7ffcd202f784 a3=0x7ffcd202f4c0 items=1 ppid=1 pid=5547 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=systemd-network exe=/usr/lib/systemd/systemd-networkd subj=system_u:system_r:systemd_networkd_t:s0 key=(null)
type=AVC msg=audit(06/29/2015 16:44:41.119:261) : avc: denied { open } for pid=5547 comm=systemd-network path=/var/lib/sss/mc/passwd dev="vda3" ino=17910099 scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=file
type=AVC msg=audit(06/29/2015 16:44:41.119:261) : avc: denied { read } for pid=5547 comm=systemd-network name=passwd dev="vda3" ino=17910099 scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=file
----
type=SYSCALL msg=audit(06/29/2015 16:44:41.124:262) : arch=x86_64 syscall=fstat success=yes exit=0 a0=0x5 a1=0x7ffcd202f790 a2=0x7ffcd202f790 a3=0x7ffcd202f4f0 items=0 ppid=1 pid=5547 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=systemd-network exe=/usr/lib/systemd/systemd-networkd subj=system_u:system_r:systemd_networkd_t:s0 key=(null)
type=AVC msg=audit(06/29/2015 16:44:41.124:262) : avc: denied { getattr } for pid=5547 comm=systemd-network path=/var/lib/sss/mc/passwd dev="vda3" ino=17910099 scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=file
----
type=PATH msg=audit(06/29/2015 16:44:41.124:263) : item=0 name=/var/lib/sss/pipes/nss inode=34398181 dev=fd:03 mode=socket,666 ouid=sssd ogid=sssd rdev=00:00 obj=system_u:object_r:sssd_var_lib_t:s0 objtype=NORMAL
type=CWD msg=audit(06/29/2015 16:44:41.124:263) : cwd=/
type=SOCKADDR msg=audit(06/29/2015 16:44:41.124:263) : saddr=local /var/lib/sss/pipes/nss
type=SYSCALL msg=audit(06/29/2015 16:44:41.124:263) : arch=x86_64 syscall=connect success=no exit=-111(Connection refused) a0=0x6 a1=0x7ffcd202f750 a2=0x6e a3=0x7ffcd202f470 items=1 ppid=1 pid=5547 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=systemd-network exe=/usr/lib/systemd/systemd-networkd subj=system_u:system_r:systemd_networkd_t:s0 key=(null)
type=AVC msg=audit(06/29/2015 16:44:41.124:263) : avc: denied { write } for pid=5547 comm=systemd-network name=nss dev="vda3" ino=34398181 scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:object_r:sssd_var_lib_t:s0 tclass=sock_file
----
commit 23a3000b996dbba22c9b0b93e9b297af41d4a2e5
Author: Lukas Vrabec <lvrabec>
Date: Tue Jun 30 10:14:49 2015 +0200
Add systemd_networkd_t to nsswitch domains. BZ(1236616)
commit 045b55dafe27533df24c05e814400bacc47de353
Author: Lukas Vrabec <lvrabec>
Date: Thu Aug 13 10:03:13 2015 +0200
Allow systemd-networkd to send logs to systemd-journald.
Resolves: #1236616
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-2015-2300.html |
Description of problem: * when /etc/nsswitch.conf is configured in such a way that system services communicate with SSSD Version-Release number of selected component (if applicable): selinux-policy-mls-3.13.1-29.el7.noarch selinux-policy-sandbox-3.13.1-29.el7.noarch selinux-policy-targeted-3.13.1-29.el7.noarch selinux-policy-doc-3.13.1-29.el7.noarch selinux-policy-3.13.1-29.el7.noarch selinux-policy-devel-3.13.1-29.el7.noarch selinux-policy-minimum-3.13.1-29.el7.noarch How reproducible: always Steps to Reproduce: # ps -efZ | grep networkd unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 root 5060 2199 0 16:39 pts/0 00:00:00 grep --color=auto networkd # service systemd-networkd start Redirecting to /bin/systemctl start systemd-networkd.service # ps -efZ | grep networkd system_u:system_r:systemd_networkd_t:s0 systemd+ 5076 1 0 16:39 ? 00:00:00 /usr/lib/systemd/systemd-networkd unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 root 5176 2199 0 16:39 pts/0 00:00:00 grep --color=auto networkd # Actual results (enforcing mode): ---- type=PATH msg=audit(06/29/2015 16:36:03.276:228) : item=0 name=/var/lib/sss/mc/passwd inode=17910099 dev=fd:03 mode=file,644 ouid=sssd ogid=sssd rdev=00:00 obj=system_u:object_r:sssd_public_t:s0 objtype=NORMAL type=CWD msg=audit(06/29/2015 16:36:03.276:228) : cwd=/ type=SYSCALL msg=audit(06/29/2015 16:36:03.276:228) : arch=x86_64 syscall=open success=yes exit=5 a0=0x7f8bbca1d260 a1=O_RDONLY|O_CLOEXEC a2=0x7ffd54ceafe4 a3=0x7ffd54cead20 items=1 ppid=1 pid=4890 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=systemd-network exe=/usr/lib/systemd/systemd-networkd subj=system_u:system_r:systemd_networkd_t:s0 key=(null) type=AVC msg=audit(06/29/2015 16:36:03.276:228) : avc: denied { open } for pid=4890 comm=systemd-network path=/var/lib/sss/mc/passwd dev="vda3" ino=17910099 scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=file type=AVC msg=audit(06/29/2015 16:36:03.276:228) : avc: denied { read } for pid=4890 comm=systemd-network name=passwd dev="vda3" ino=17910099 scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=file ---- type=SYSCALL msg=audit(06/29/2015 16:36:03.281:229) : arch=x86_64 syscall=fstat success=yes exit=0 a0=0x5 a1=0x7ffd54ceaff0 a2=0x7ffd54ceaff0 a3=0x7ffd54cead50 items=0 ppid=1 pid=4890 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=systemd-network exe=/usr/lib/systemd/systemd-networkd subj=system_u:system_r:systemd_networkd_t:s0 key=(null) type=AVC msg=audit(06/29/2015 16:36:03.281:229) : avc: denied { getattr } for pid=4890 comm=systemd-network path=/var/lib/sss/mc/passwd dev="vda3" ino=17910099 scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:object_r:sssd_public_t:s0 tclass=file ---- type=PATH msg=audit(06/29/2015 16:36:03.281:230) : item=0 name=/var/lib/sss/pipes/nss inode=34398181 dev=fd:03 mode=socket,666 ouid=sssd ogid=sssd rdev=00:00 obj=system_u:object_r:sssd_var_lib_t:s0 objtype=NORMAL type=CWD msg=audit(06/29/2015 16:36:03.281:230) : cwd=/ type=SOCKADDR msg=audit(06/29/2015 16:36:03.281:230) : saddr=local /var/lib/sss/pipes/nss type=SYSCALL msg=audit(06/29/2015 16:36:03.281:230) : arch=x86_64 syscall=connect success=no exit=-111(Connection refused) a0=0x6 a1=0x7ffd54ceafb0 a2=0x6e a3=0x7ffd54ceacd0 items=1 ppid=1 pid=4890 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=systemd-network exe=/usr/lib/systemd/systemd-networkd subj=system_u:system_r:systemd_networkd_t:s0 key=(null) type=AVC msg=audit(06/29/2015 16:36:03.281:230) : avc: denied { write } for pid=4890 comm=systemd-network name=nss dev="vda3" ino=34398181 scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:object_r:sssd_var_lib_t:s0 tclass=sock_file ---- Expected results: * no AVCs