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From: "Kenton Groombridge" <concord@gentoo.org>
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Message-ID: <1670958261.0da05b608cbcb4f4545f5eade4b1c3a8269dc9a5.concord@gentoo>
Subject: [gentoo-commits] proj/hardened-refpolicy:master commit in: policy/modules/services/
X-VCS-Repository: proj/hardened-refpolicy
X-VCS-Files: policy/modules/services/rngd.te
X-VCS-Directories: policy/modules/services/
X-VCS-Committer: concord
X-VCS-Committer-Name: Kenton Groombridge
X-VCS-Revision: 0da05b608cbcb4f4545f5eade4b1c3a8269dc9a5
X-VCS-Branch: master
Date: Tue, 13 Dec 2022 20:55:10 +0000 (UTC)
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commit: 0da05b608cbcb4f4545f5eade4b1c3a8269dc9a5
Author: Dave Sugar <dsugar100 <AT> gmail <DOT> com>
AuthorDate: Wed Nov 23 13:17:41 2022 +0000
Commit: Kenton Groombridge <concord <AT> gentoo <DOT> org>
CommitDate: Tue Dec 13 19:04:21 2022 +0000
URL: https://gitweb.gentoo.org/proj/hardened-refpolicy.git/commit/?id=0da05b60
rng-tools updated to 6.15 (on RHEL9) seeing the following denials:
node=localhost type=AVC msg=audit(1669206851.792:438): avc: denied { getattr } for pid=1008 comm="rngd" path="/usr/share/crypto-policies/FIPS/opensslcnf.txt" dev="dm-0" ino=401368 scontext=system_u:system_r:rngd_t:s0 tcontext=system_u:object_r:usr_t:s0 tclass=file permissive=1
node=localhost type=AVC msg=audit(1669206851.792:439): avc: denied { read } for pid=1008 comm="rngd" name="opensslcnf.config" dev="dm-0" ino=401368 scontext=system_u:system_r:rngd_t:s0 tcontext=system_u:object_r:usr_t:s0 tclass=file permissive=1
node=localhost type=AVC msg=audit(1669206851.792:439): avc: denied { open } for pid=1008 comm="rngd" path="/usr/share/crypto-policies/FIPS/opensslcnf.txt" dev="dm-0" ino=401368 scontext=system_u:system_r:rngd_t:s0 tcontext=system_u:object_r:usr_t:s0 tclass=file permissive=1
rngd now drops privlidges rather than having user/group set in .service file:
node=localhost type=AVC msg=audit(1669206851.856:440): avc: denied { setgid } for pid=1008 comm="rngd" capability=6 scontext=system_u:system_r:rngd_t:s0 tcontext=system_u:system_r:rngd_t:s0 tclass=capability permissive=1
node=localhost type=AVC msg=audit(1669206851.881:441): avc: denied { setuid } for pid=1008 comm="rngd" capability=7 scontext=system_u:system_r:rngd_t:s0 tcontext=system_u:system_r:rngd_t:s0 tclass=capability permissive=1
node=localhost type=AVC msg=audit(1669206851.910:442): avc: denied { setcap } for pid=1008 comm="rngd" scontext=system_u:system_r:rngd_t:s0 tcontext=system_u:system_r:rngd_t:s0 tclass=process permissive=1
Signed-off-by: Dave Sugar <dsugar100 <AT> gmail.com>
Signed-off-by: Kenton Groombridge <concord <AT> gentoo.org>
policy/modules/services/rngd.te | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/policy/modules/services/rngd.te b/policy/modules/services/rngd.te
index f33d6a401..d317520ee 100644
--- a/policy/modules/services/rngd.te
+++ b/policy/modules/services/rngd.te
@@ -20,8 +20,8 @@ files_runtime_file(rngd_runtime_t)
# Local policy
#
-allow rngd_t self:capability { ipc_lock sys_admin };
-allow rngd_t self:process { setsched getsched signal };
+allow rngd_t self:capability { ipc_lock setgid setuid sys_admin };
+allow rngd_t self:process { getsched setcap setsched signal };
allow rngd_t self:fifo_file rw_fifo_file_perms;
allow rngd_t self:unix_stream_socket { accept listen };
@@ -37,6 +37,7 @@ dev_rw_tpm(rngd_t)
dev_write_rand(rngd_t)
files_read_etc_files(rngd_t)
+files_read_usr_files(rngd_t)
logging_send_syslog_msg(rngd_t)