NFV SIG - AVC denials with openvswitch - devel

14 Mar 2022

      Hi,
while testing oVirt for 4.5 alpha I noticed on the ovirt-engine side:
# ausearch -m avc|grep den
type=AVC msg=audit(1646758341.539:780): avc:  denied  { search } for
 pid=38783 comm="modprobe" name="events" dev="tracefs" ino=45
scontext=system_u:system_r:openvswitch_load_module_t:s0
tcontext=system_u:object_r:tracefs_t:s0 tclass=dir permissive=0
type=AVC msg=audit(1646758341.539:780): avc:  denied  { search } for
 pid=38783 comm="modprobe" name="events" dev="tracefs" ino=45
scontext=system_u:system_r:openvswitch_load_module_t:s0
tcontext=system_u:object_r:tracefs_t:s0 tclass=dir permissive=0
type=AVC msg=audit(1646881861.570:998): avc:  denied  { write } for
 pid=97466 comm="ovs-appctl" name="ovnnb_db.ctl" dev="tmpfs" ino=195196
scontext=system_u:system_r:openvswitch_t:s0-s0:c0.c1023
tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file permissive=0
type=AVC msg=audit(1646881861.573:999): avc:  denied  { write } for
 pid=97467 comm="ovs-appctl" name="ovn-northd.38883.ctl" dev="tmpfs"
ino=195260 scontext=system_u:system_r:openvswitch_t:s0-s0:c0.c1023
tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file permissive=0
type=AVC msg=audit(1646881861.575:1000): avc:  denied  { write } for
 pid=97468 comm="ovs-appctl" name="ovnsb_db.ctl" dev="tmpfs" ino=198897
scontext=system_u:system_r:openvswitch_t:s0-s0:c0.c1023
tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file permissive=0
type=AVC msg=audit(1646969461.086:1037): avc:  denied  { write } for
 pid=122222 comm="ovs-appctl" name="ovnnb_db.ctl" dev="tmpfs" ino=195196
scontext=system_u:system_r:openvswitch_t:s0-s0:c0.c1023
tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file permissive=0
type=AVC msg=audit(1646969461.089:1038): avc:  denied  { write } for
 pid=122223 comm="ovs-appctl" name="ovn-northd.38883.ctl" dev="tmpfs"
ino=195260 scontext=system_u:system_r:openvswitch_t:s0-s0:c0.c1023
tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file permissive=0
type=AVC msg=audit(1646969461.091:1039): avc:  denied  { write } for
 pid=122224 comm="ovs-appctl" name="ovnsb_db.ctl" dev="tmpfs" ino=198897
scontext=system_u:system_r:openvswitch_t:s0-s0:c0.c1023
tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file permissive=0
type=AVC msg=audit(1647265858.456:54): avc:  denied  { search } for
 pid=1245 comm="modprobe" name="events" dev="tracefs" ino=45
scontext=system_u:system_r:openvswitch_load_module_t:s0
tcontext=system_u:object_r:tracefs_t:s0 tclass=dir permissive=0
type=AVC msg=audit(1647265858.456:54): avc:  denied  { search } for
 pid=1245 comm="modprobe" name="events" dev="tracefs" ino=45
scontext=system_u:system_r:openvswitch_load_module_t:s0
tcontext=system_u:object_r:tracefs_t:s0 tclass=dir permissive=0
Involved packages are:
dnf list installed "*openvswitch*"
Installed Packages
centos-release-nfv-openvswitch.noarch                       1-3.el8
                    @extras
openvswitch-selinux-extra-policy.noarch                     1.0-28.el8
                     @centos-nfv-openvswitch
openvswitch2.15.x86_64                                      2.15.0-81.el8s
                     @centos-nfv-openvswitch
ovirt-openvswitch.noarch                                    2.15-3.el8
                     @centos-ovirt45-testing
ovirt-openvswitch-ovn.noarch                                2.15-3.el8
                     @centos-ovirt45-testing
ovirt-openvswitch-ovn-central.noarch                        2.15-3.el8
                     @centos-ovirt45-testing
ovirt-openvswitch-ovn-common.noarch                         2.15-3.el8
                     @centos-ovirt45-testing
ovirt-python-openvswitch.noarch                             2.15-3.el8
                     @centos-ovirt45-testing
python3-openvswitch2.15.x86_64                              2.15.0-81.el8s
                     @centos-nfv-openvswitch
As the openvswitch packages are coming from centos-release-nfv-openvswitch
reporting to centos devel (no more specific location mentioned on
https://wiki.centos.org/ReportBugs )
-- 

Sandro Bonazzola

MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV

Red Hat EMEA https://www.redhat.com/

sbonazzo@redhat.com
https://www.redhat.com/

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