systemd/SOURCES/1327-core-validate-input-cgroup-path-more-prudently.patch
2026-05-19 21:28:39 -04:00

30 lines
1.1 KiB
Diff

From 83bb634dae00614e21744cd78b24412cb70c54dc Mon Sep 17 00:00:00 2001
From: Mike Yuan <me@yhndnzj.com>
Date: Thu, 26 Feb 2026 11:06:34 +0100
Subject: [PATCH] core: validate input cgroup path more prudently
(cherry picked from commit efa6ba2ab625aaa160ac435a09e6482fc63bdbe8)
Resolves: RHEL-152082
---
src/core/dbus-manager.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c
index 3f62b30745..16c9680d80 100644
--- a/src/core/dbus-manager.c
+++ b/src/core/dbus-manager.c
@@ -666,6 +666,12 @@ static int method_get_unit_by_control_group(sd_bus_message *message, void *userd
if (r < 0)
return r;
+ if (!path_is_absolute(cgroup))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Control group path is not absolute: %s", cgroup);
+
+ if (!path_is_normalized(cgroup))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Control group path is not normalized: %s", cgroup);
+
u = manager_get_unit_by_cgroup(m, cgroup);
if (!u)
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT,