Bug 2000488
| Summary: | Confined sysadm users cannot execute "realm list" command | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 8 | Reporter: | Renaud Métrich <rmetrich> |
| Component: | selinux-policy | Assignee: | Zdenek Pytela <zpytela> |
| Status: | CLOSED ERRATA | QA Contact: | Milos Malik <mmalik> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 8.4 | CC: | lvrabec, mmalik, ssekidde |
| Target Milestone: | rc | Keywords: | Triaged |
| Target Release: | 8.6 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-3.14.3-83.el8 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2022-05-10 15:15:05 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: | 1778780 | ||
To backport:
commit f119cd1331e8c09018216887bf0fb35e48fd91e4 (HEAD -> rawhide, upstream/rawhide)
Author: Zdenek Pytela <zpytela>
Date: Mon Nov 8 14:47:12 2021 +0100
Allow sysadm_t dbus chat with realmd_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 (selinux-policy bug fix and enhancement update), 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-2022:1995 |
Description of problem: sysadm_t doesn't have the capability of sending DBus messages to realmd_t type (used by realmd daemon): -------- 8< ---------------- 8< ---------------- 8< ---------------- 8< -------- # sesearch -A -s sysadm_t -t realmd_t -c dbus -p send_msg --> no rule -------- 8< ---------------- 8< ---------------- 8< ---------------- 8< -------- Related USER_AVC: -------- 8< ---------------- 8< ---------------- 8< ---------------- 8< -------- type=USER_AVC msg=audit(07/28/2021 11:02:36.395:184922) : pid=1787 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc: denied { send_msg } for msgtype=method_call interface=org.freedesktop.DBus.Properties member=GetAll dest=:1.22238 spid=8937 tpid=8941 scontext=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 tcontext=system_u:system_r:realmd_t:s0 tclass=dbus exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' -------- 8< ---------------- 8< ---------------- 8< ---------------- 8< -------- This hence prevents confined admins from executing "realm list" and other commands. See also related BZ #1965251 for a generic solution. Version-Release number of selected component (if applicable): RHEL7 and 8 How reproducible: Always