From 370592c9cac2c6ab5d039a5dc8ca41004bc922b6 Mon Sep 17 00:00:00 2001 From: Mike Yuan 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-152085 --- 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 ea2f3e7f59..99f6d80343 100644 --- a/src/core/dbus-manager.c +++ b/src/core/dbus-manager.c @@ -456,6 +456,12 @@ 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, "Control group '%s' is not valid or not managed by this instance", cgroup);