Bug 1206125
| Summary: | when SLP support is enabled in ypserv then ypserv service triggers AVCs | ||
|---|---|---|---|
| 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: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | 7.1 | CC: | lvrabec, mgrepl, mmalik, plautrba, pvrabec, ssekidde |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-3.13.1-32.el7 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2015-11-19 10:27:52 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: | |||
# rpm -qa yp\* ypbind-1.37.1-7.el7.x86_64 ypserv-2.31-8.el7.x86_64 yp-tools-2.14-3.el7.x86_64 # commit 8d4143da48d04104f48c60d7f99ce390dfdbd74c
Author: Lukas Vrabec <lvrabec>
Date: Thu Jul 9 14:47:34 2015 +0200
Allow connect ypserv to portmap_port_t.
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: * the SLP support is by default disabled, which means that these AVCs do not usually appear Version-Release number of selected component (if applicable): selinux-policy-sandbox-3.13.1-23.el7.noarch selinux-policy-devel-3.13.1-23.el7.noarch selinux-policy-doc-3.13.1-23.el7.noarch selinux-policy-mls-3.13.1-23.el7.noarch selinux-policy-minimum-3.13.1-23.el7.noarch selinux-policy-targeted-3.13.1-23.el7.noarch selinux-policy-3.13.1-23.el7.noarch How reproducible: always Steps to Reproduce: # grep ^slp /etc/ypserv.conf slp: domain slp_timeout: 10 # service ypserv start # search for AVCs Actual results (enforcing mode): ---- type=SYSCALL msg=audit(03/26/2015 07:14:33.540:301557) : arch=x86_64 syscall=connect success=no exit=-13(Permission denied) a0=0x7 a1=0x7fffe877be00 a2=0x10 a3=0x0 items=0 ppid=1 pid=18712 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=ypserv exe=/usr/sbin/ypserv subj=system_u:system_r:ypserv_t:s0 key=(null) type=AVC msg=audit(03/26/2015 07:14:33.540:301557) : avc: denied { connect } for pid=18712 comm=ypserv lport=665 scontext=system_u:system_r:ypserv_t:s0 tcontext=system_u:system_r:ypserv_t:s0 tclass=tcp_socket ---- Actual results (permissive mode): ---- type=SYSCALL msg=audit(03/26/2015 07:15:22.037:301767) : arch=x86_64 syscall=connect success=yes exit=0 a0=0x7 a1=0x7fff97645120 a2=0x10 a3=0x0 items=0 ppid=1 pid=21316 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=ypserv exe=/usr/sbin/ypserv subj=system_u:system_r:ypserv_t:s0 key=(null) type=AVC msg=audit(03/26/2015 07:15:22.037:301767) : avc: denied { name_connect } for pid=21316 comm=ypserv dest=111 scontext=system_u:system_r:ypserv_t:s0 tcontext=system_u:object_r:portmap_port_t:s0 tclass=tcp_socket type=AVC msg=audit(03/26/2015 07:15:22.037:301767) : avc: denied { connect } for pid=21316 comm=ypserv lport=41551 scontext=system_u:system_r:ypserv_t:s0 tcontext=system_u:system_r:ypserv_t:s0 tclass=tcp_socket ---- Expected results: * no AVCs