*SELinux* now allows *vdsm* to communicate with *lldpad*
Prior to this update, *SELinux* in enforcing mode denied the *vdsm* daemon to access *lldpad* information. Consequently, *vdsm* was not able to work correctly. With this update, a rule to allow a `virtd_t` domain to send data to a `lldpad_t` domain through the `dgram` socket has been added to the _selinux-policy_ packages. As a result, *vdsm* labeled as `virtd_t` can now communicate with *lldpad* labeled as `lldpad_t` if *SELinux* is set to enforcing mode.
Description of problem:
vdsm requires access to lldpad's information, but SELinux does not allow lldpad to send the information.
SELinux is preventing /usr/sbin/lldpad from sendto access on the unix_dgram_socket @/com/intel/lldpad/11440.
***** Plugin catchall (100. confidence) suggests **************************
If you believe that lldpad should be allowed sendto access on the 11440 unix_dgram_socket by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
Do
allow this access for now by executing:
# ausearch -c 'lldpad' --raw | audit2allow -M my-lldpad
# semodule -i my-lldpad.pp
Additional Information:
Source Context system_u:system_r:lldpad_t:s0
Target Context system_u:system_r:virtd_t:s0-s0:c0.c1023
Target Objects @/com/intel/lldpad/11440 [ unix_dgram_socket ]
Source lldpad
Source Path /usr/sbin/lldpad
Port <Unknown>
Host <Unknown>
Source RPM Packages lldpad-1.0.1-3.git036e314.el7.x86_64
Target RPM Packages
Policy RPM selinux-policy-3.13.1-102.el7_3.16.noarch
Selinux Enabled True
Policy Type targeted
Enforcing Mode Enforcing
Host Name selinuxtest
Platform Linux selinuxtest 3.10.0-514.26.2.el7.x86_64 #1
SMP Tue Jul 4 15:04:05 UTC 2017 x86_64 x86_64
Alert Count 10
First Seen 2017-07-19 10:36:26 CEST
Last Seen 2017-07-19 10:47:01 CEST
Local ID 9ac73daa-d7e3-4650-92e8-602820c3d1d8
Raw Audit Messages
type=SYSCALL msg=audit(1500454021.369:315): arch=x86_64 syscall=sendto success=no exit=EACCES a0=3 a1=7f82973bfb10 a2=28 a3=0 items=0 ppid=1 pid=10901 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=lldpad exe=/usr/sbin/lldpad subj=system_u:system_r:lldpad_t:s0 key=(null)
type=AVC msg=audit(1500454021.369:315): avc: denied { sendto } for pid=10901 comm="lldpad" path=002F636F6D2F696E74656C2F6C6C647061642F3131343430 scontext=system_u:system_r:lldpad_t:s0 tcontext=system_u:system_r:virtd_t:s0-s0:c0.c1023 tclass=unix_dgram_socket
Hash: lldpad,lldpad_t,virtd_t,unix_dgram_socket,sendto
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://access.redhat.com/errata/RHBA-2018:0763
Description of problem: vdsm requires access to lldpad's information, but SELinux does not allow lldpad to send the information. SELinux is preventing /usr/sbin/lldpad from sendto access on the unix_dgram_socket @/com/intel/lldpad/11440. ***** Plugin catchall (100. confidence) suggests ************************** If you believe that lldpad should be allowed sendto access on the 11440 unix_dgram_socket by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # ausearch -c 'lldpad' --raw | audit2allow -M my-lldpad # semodule -i my-lldpad.pp Additional Information: Source Context system_u:system_r:lldpad_t:s0 Target Context system_u:system_r:virtd_t:s0-s0:c0.c1023 Target Objects @/com/intel/lldpad/11440 [ unix_dgram_socket ] Source lldpad Source Path /usr/sbin/lldpad Port <Unknown> Host <Unknown> Source RPM Packages lldpad-1.0.1-3.git036e314.el7.x86_64 Target RPM Packages Policy RPM selinux-policy-3.13.1-102.el7_3.16.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name selinuxtest Platform Linux selinuxtest 3.10.0-514.26.2.el7.x86_64 #1 SMP Tue Jul 4 15:04:05 UTC 2017 x86_64 x86_64 Alert Count 10 First Seen 2017-07-19 10:36:26 CEST Last Seen 2017-07-19 10:47:01 CEST Local ID 9ac73daa-d7e3-4650-92e8-602820c3d1d8 Raw Audit Messages type=SYSCALL msg=audit(1500454021.369:315): arch=x86_64 syscall=sendto success=no exit=EACCES a0=3 a1=7f82973bfb10 a2=28 a3=0 items=0 ppid=1 pid=10901 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=lldpad exe=/usr/sbin/lldpad subj=system_u:system_r:lldpad_t:s0 key=(null) type=AVC msg=audit(1500454021.369:315): avc: denied { sendto } for pid=10901 comm="lldpad" path=002F636F6D2F696E74656C2F6C6C647061642F3131343430 scontext=system_u:system_r:lldpad_t:s0 tcontext=system_u:system_r:virtd_t:s0-s0:c0.c1023 tclass=unix_dgram_socket Hash: lldpad,lldpad_t,virtd_t,unix_dgram_socket,sendto