diff --git a/subsys/CMakeLists.txt b/subsys/CMakeLists.txt
index 80023be74eea..5d8138ee3407 100644
--- a/subsys/CMakeLists.txt
+++ b/subsys/CMakeLists.txt
@@ -77,3 +77,4 @@ add_subdirectory(suit)
 add_subdirectory_ifdef(CONFIG_MGMT_SUITFU mgmt/suitfu)
 add_subdirectory_ifdef(CONFIG_DULT dult)
 add_subdirectory_ifdef(CONFIG_NRF_COMPRESS nrf_compress)
+add_subdirectory_ifdef(CONFIG_MCUMGR_GRP_OS_BOOTLOADER_INFO_B0_ACTIVE_SLOT mgmt/b0_active_slot)
diff --git a/subsys/Kconfig b/subsys/Kconfig
index 37be60487f97..59bb3ca5bdbb 100644
--- a/subsys/Kconfig
+++ b/subsys/Kconfig
@@ -28,6 +28,7 @@ rsource "nrf_rpc/Kconfig"
 rsource "zigbee/Kconfig"
 rsource "mgmt/fmfu/Kconfig"
 rsource "mgmt/suitfu/Kconfig"
+rsource "mgmt/b0_active_slot/Kconfig"
 rsource "caf/Kconfig"
 rsource "ieee802154/Kconfig"
 rsource "dm/Kconfig"
diff --git a/subsys/mgmt/b0_active_slot/CMakeLists.txt b/subsys/mgmt/b0_active_slot/CMakeLists.txt
new file mode 100644
index 000000000000..0c2bdc791326
--- /dev/null
+++ b/subsys/mgmt/b0_active_slot/CMakeLists.txt
@@ -0,0 +1,8 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+zephyr_library()
+zephyr_library_sources(src/suitfu_mgmt_suit_os.c)
diff --git a/subsys/mgmt/b0_active_slot/Kconfig b/subsys/mgmt/b0_active_slot/Kconfig
new file mode 100644
index 000000000000..c242158cc463
--- /dev/null
+++ b/subsys/mgmt/b0_active_slot/Kconfig
@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2023 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+menuconfig MCUMGR_GRP_OS_BOOTLOADER_INFO_B0_ACTIVE_SLOT
+	bool "b0 active slot"
+	depends on MCUMGR_GRP_OS_BOOTLOADER_INFO
+	depends on BOOTLOADER_MCUBOOT
+	depends on MCUBOOT_MCUBOOT_IMAGE_NUMBER != -1
+	select MCUMGR_MGMT_NOTIFICATION_HOOKS
+	select MCUMGR_GRP_OS_BOOTLOADER_INFO_HOOK
+	help
+	  todo
diff --git a/subsys/mgmt/b0_active_slot/src/suitfu_mgmt_suit_os.c b/subsys/mgmt/b0_active_slot/src/suitfu_mgmt_suit_os.c
new file mode 100644
index 000000000000..3e4034425c38
--- /dev/null
+++ b/subsys/mgmt/b0_active_slot/src/suitfu_mgmt_suit_os.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zcbor_common.h>
+#include <zcbor_encode.h>
+#include <pm_config.h>
+#include <fw_info.h>
+#include <zephyr/mgmt/mcumgr/mgmt/callbacks.h>
+#include <zephyr/mgmt/mcumgr/grp/os_mgmt/os_mgmt.h>
+
+static enum mgmt_cb_return bootloader_info_hook(uint32_t event, enum mgmt_cb_return prev_status,
+					int32_t *rc, uint16_t *group, bool *abort_more,
+					void *data, size_t data_size)
+{
+	struct os_mgmt_bootloader_info_data *bootloader_info_data = (struct os_mgmt_bootloader_info_data *)data;
+
+	if (event != MGMT_EVT_OP_OS_MGMT_BOOTLOADER_INFO
+	    || data_size != sizeof(*bootloader_info_data)) {
+		*rc = MGMT_ERR_EUNKNOWN;
+		return MGMT_CB_ERROR_RC;
+	}
+
+	/* If no parameter is recognized then just introduce the bootloader. */
+	if (*(bootloader_info_data->decoded) >= 1 && (sizeof("active_b0_slot") - 1) == bootloader_info_data->query->len && memcmp("active_b0_slot", bootloader_info_data->query->value, bootloader_info_data->query->len) == 0) {
+		bool ok = zcbor_tstr_put_lit(bootloader_info_data->zse, "active");
+#if 1
+const struct fw_info *s0_info = fw_info_find(PM_S0_ADDRESS);
+const struct fw_info *s1_info = fw_info_find(PM_S1_ADDRESS);
+
+printk("gots %p, %p, %d, %d\n", s0_info, s1_info, s0_info->version, s1_info->version);
+
+if (!s1_info || (s0_info && s0_info->version >= s1_info->version)) {
+		ok &= zcbor_tstr_put_lit(bootloader_info_data->zse, "s0");
+//s0
+} else {
+		ok &= zcbor_tstr_put_lit(bootloader_info_data->zse, "s1");
+//s1
+}
+#endif
+
+		*rc = (ok ? MGMT_ERR_EOK : MGMT_ERR_EMSGSIZE);
+		return MGMT_CB_ERROR_RC;
+	}
+
+	return MGMT_CB_OK;
+}
+
+static struct mgmt_callback cmd_bootloader_info_cb = {
+	.callback = bootloader_info_hook,
+	.event_id = MGMT_EVT_OP_OS_MGMT_BOOTLOADER_INFO,
+};
+
+static int suitfu_mgmt_register_bootloader_info_hook(void)
+{
+	mgmt_callback_register(&cmd_bootloader_info_cb);
+	return 0;
+}
+
+SYS_INIT(suitfu_mgmt_register_bootloader_info_hook, APPLICATION, 0);
diff --git a/sysbuild/CMakeLists.txt b/sysbuild/CMakeLists.txt
index 2763eeddf753..051adb7d8656 100644
--- a/sysbuild/CMakeLists.txt
+++ b/sysbuild/CMakeLists.txt
@@ -399,6 +399,7 @@ function(${SYSBUILD_CURRENT_MODULE_NAME}_pre_cmake)
       set_property(TARGET ${DEFAULT_IMAGE} APPEND_STRING PROPERTY CONFIG "CONFIG_MCUBOOT_NETWORK_CORE_IMAGE_NUMBER=${SB_CONFIG_MCUBOOT_NETWORK_CORE_IMAGE_NUMBER}\n")
       set_property(TARGET ${DEFAULT_IMAGE} APPEND_STRING PROPERTY CONFIG "CONFIG_MCUBOOT_WIFI_PATCHES_IMAGE_NUMBER=${SB_CONFIG_MCUBOOT_WIFI_PATCHES_IMAGE_NUMBER}\n")
       set_property(TARGET ${DEFAULT_IMAGE} APPEND_STRING PROPERTY CONFIG "CONFIG_MCUBOOT_QSPI_XIP_IMAGE_NUMBER=${SB_CONFIG_MCUBOOT_QSPI_XIP_IMAGE_NUMBER}\n")
+      set_property(TARGET ${DEFAULT_IMAGE} APPEND_STRING PROPERTY CONFIG "CONFIG_MCUBOOT_MCUBOOT_IMAGE_NUMBER=${SB_CONFIG_MCUBOOT_MCUBOOT_IMAGE_NUMBER}\n")
     endif()
 
     if(SB_CONFIG_MCUBOOT_HARDWARE_DOWNGRADE_PREVENTION)