Bug 1260835
| Summary: | cimserver is blocked by SELinux | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Shanzhi Yu <shyu> |
| 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: | dyuan, gklein, lvrabec, mgrepl, mmalik, mzhan, plautrba, pvrabec, ssekidde |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-3.13.1-81.el7 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2016-11-04 02:22:03 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: | |||
| Bug Depends On: | |||
| Bug Blocks: | 1152104 | ||
# yum -y -q install selinux-policy-devel # cat bz1260835.te module bz1260835 1.0; require { type pegasus_t; type qemu_exec_t; class file getattr; } allow pegasus_t qemu_exec_t:file getattr; # make -f /usr/share/selinux/devel/Makefile Compiling targeted bz1260835 module /usr/bin/checkmodule: loading policy configuration from tmp/bz1260835.tmp /usr/bin/checkmodule: policy configuration loaded /usr/bin/checkmodule: writing binary representation (version 17) to tmp/bz1260835.mod Creating targeted bz1260835.pp policy package rm tmp/bz1260835.mod.fc tmp/bz1260835.mod # semodule -i bz1260835.pp # Does it work in enforcing mode now? Are there any other AVCs? Hi Milos, Seem it work for me. # getenforce Enforcing # CIM_NS=root/virt CIM_USER=root CIM_PASS=redhat ./runtests libvirt-cim -v KVM localhost -g ComputerSystem -t 03_defineVS.py Starting test suite: libvirt-cim Testing KVM hypervisor -------------------------------------------------------------------- ComputerSystem - 03_defineVS.py: PASS -------------------------------------------------------------------- Could we get AVC from permissive mode? Thank you. 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-2016-2283.html |
Description of problem: cimserver are blocked by selinux Version-Release number of selected component (if applicable): # uname -r && rpm -q selinux-policy libvirt-cim tog-pegasus sblim-sfcb 3.10.0-308.el7.x86_64 selinux-policy-3.13.1-45.el7.noarch libvirt-cim-0.6.3-19.el7.x86_64 tog-pegasus-2.14.1-2.el7.x86_64 sblim-sfcb-1.3.16-12.el7_0.x86_64 How reproducible: 100% Steps to Reproduce: 1. test tog-pegasus with selinux enable 1.1 enable selinux # getenforce Enforcing 1.2 run test # CIM_NS=root/virt CIM_USER=root CIM_PASS=redhat ./runtests libvirt-cim -v KVM localhost -g ComputerSystem -t 03_defineVS.py Starting test suite: libvirt-cim Testing KVM hypervisor -------------------------------------------------------------------- ComputerSystem - 03_defineVS.py: FAIL ERROR - Got CIM error CIM_ERR_FAILED: SystemSettings Error with return code 1 ERROR - Failed to define a domain with the name domU1 from virsh InvokeMethod(DefineSystem): CIM_ERR_FAILED: SystemSettings Error -------------------------------------------------------------------- 1.3 audit log # cat /var/log/audit/audit.log | grep cimprovagt type=AVC msg=audit(1440758836.949:19700): avc: denied { getattr } for pid=30710 comm="cimprovagt" path="/usr/libexec/qemu-kvm" dev="sda1" ino=4073774 scontext=system_u:system_r:pegasus_t:s0 tcontext=system_u:object_r:qemu_exec_t:s0 tclass=file type=SYSCALL msg=audit(1440758836.949:19700): arch=c000003e syscall=4 success=no exit=-13 a0=7ff9e4124b10 a1=7ffa26a90080 a2=7ffa26a90080 a3=7ffa47d5a1e8 items=0 ppid=1 pid=30710 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="cimprovagt" exe="/usr/libexec/pegasus/cimprovagt" subj=system_u:system_r:pegasus_t:s0 key=(null) 2. test tog-pegasus with selinux disable 2.1 disable selinux # getenforce Permissive 2.2 run test # CIM_NS=root/virt CIM_USER=root CIM_PASS=redhat ./runtests libvirt-cim -v KVM localhost -g ComputerSystem -t 03_defineVS.py Starting test suite: libvirt-cim Testing KVM hypervisor -------------------------------------------------------------------- ComputerSystem - 03_defineVS.py: PASS -------------------------------------------------------------------- 3. test sblim-sfcb with selinux enable 3.1 enable selinux # getenforce Enforcing 3.2 run test # CIM_NS=root/virt CIM_USER=root CIM_PASS=redhat ./runtests libvirt-cim -v KVM localhost -g ComputerSystem -t 03_defineVS.py Starting test suite: libvirt-cim Testing KVM hypervisor -------------------------------------------------------------------- ComputerSystem - 03_defineVS.py: FAIL ERROR - Got CIM error SystemSettings Error with return code 1 ERROR - Failed to define a domain with the name domU1 from virsh InvokeMethod(DefineSystem): SystemSettings Error -------------------------------------------------------------------- 3.3 audit log # grep avc /var/log/audit/audit.log type=USER_AVC msg=audit(1440759396.592:19896): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='avc: received setenforce notice (enforcing=1) exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?' type=AVC msg=audit(1440759396.740:19901): avc: denied { getattr } for pid=17137 comm="sfcbd" path="/usr/libexec/qemu-kvm" dev="sda1" ino=4073774 scontext=system_u:system_r:sblim_sfcbd_t:s0 tcontext=system_u:object_r:qemu_exec_t:s0 tclass=file 4. test sblim-sfcb with selinux disable 4.1 disable selinux # getenforce Permissive 4.2 run test # CIM_NS=root/virt CIM_USER=root CIM_PASS=redhat ./runtests libvirt-cim -v KVM localhost -g ComputerSystem -t 03_defineVS.py Starting test suite: libvirt-cim Testing KVM hypervisor -------------------------------------------------------------------- ComputerSystem - 03_defineVS.py: PASS -------------------------------------------------------------------- Actual results: Expected results: Additional info: