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refpolicy: systemd - allow systemd_logind_t unconfined_t:fd use

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Signed-off-by: Clayton Casciato <majortomtosourcecontrol@gmail.com>
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
This commit is contained in:
Clayton Casciato 2025-10-22 21:49:00 -06:00 committed by Yi Zhao
parent 1100f0e48d
commit 0a205a4388
2 changed files with 57 additions and 0 deletions
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56
recipes-security/refpolicy/refpolicy/0065-policy-modules-system-systemd-allow-systemd_logind_t.patch Normal file
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@ -0,0 +1,56 @@
From f76099508c56db31fdc331e844d4e5b574b3206b Mon Sep 17 00:00:00 2001
From: Clayton Casciato <ccasciato@21sw.us>
Date: Tue, 8 Jul 2025 17:06:19 -0600
Subject: [PATCH] systemd: allow systemd_logind_t unconfined_t:fd use
"sudo su -"
--
type=PROCTITLE proctitle=/usr/lib/systemd/systemd-logind
type=SYSCALL arch=armeb syscall=recvmsg per=PER_LINUX success=yes
exit=24 a0=0xe a1=0xbee507e4 a2=MSG_DONTWAIT|MSG_CMSG_CLOEXEC a3=0x1
items=0 ppid=1 pid=186 auid=unset uid=root gid=root euid=root suid=root
fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset
comm=systemd-logind exe=/usr/lib/systemd/systemd-logind
subj=system_u:system_r:systemd_logind_t:s0 key=(null)
type=AVC avc: denied { use } for pid=186 comm=systemd-logind
path=anon_inode:[pidfd] dev="pidfs" ino=311
scontext=system_u:system_r:systemd_logind_t:s0
tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=fd
--
Fedora:
$ sesearch -A --source systemd_logind_t --target unconfined_t --class fd --perm use
allow daemon initrc_transition_domain:fd use;
allow domain domain:fd use; [ domain_fd_use ]:True
allow domain unconfined_t:fd use;
$ getsebool domain_fd_use
domain_fd_use --> on
Signed-off-by: Clayton Casciato <ccasciato@21sw.us>
Upstream-Status: Backport [https://github.com/SELinuxProject/refpolicy/commit/a742066011070c6696eda00442a46d1e9970a614]
Signed-off-by: Clayton Casciato <majortomtosourcecontrol@gmail.com>
---
policy/modules/system/systemd.te | 1 +
1 file changed, 1 insertion(+)
diff --git a/policy/modules/system/systemd.te b/policy/modules/system/systemd.te
index 514ead9a8..2b2f43f36 100644
--- a/policy/modules/system/systemd.te
+++ b/policy/modules/system/systemd.te
@@ -1172,6 +1172,7 @@ optional_policy(`
optional_policy(`
unconfined_dbus_send(systemd_logind_t)
+ unconfined_use_fds(systemd_logind_t)
')
#########################################

1
recipes-security/refpolicy/refpolicy_common.inc
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@ -80,6 +80,7 @@ SRC_URI += " \
file://0062-policy-modules-services-ssh-allow-sshd_t-kernel_t-sy.patch \
file://0063-policy-modules-services-ssh-allow-sshd_t-userdomain-.patch \
file://0064-policy-modules-services-dbus-allow-system_dbusd_t-un.patch \
file://0065-policy-modules-system-systemd-allow-systemd_logind_t.patch \
"
S = "${WORKDIR}/refpolicy"