diff --git a/tests/subsys/llext/simple/prj.conf b/tests/subsys/llext/simple/prj.conf
index 5ad4b4e1f4b8e42..d2733eb1dc34f29 100644
--- a/tests/subsys/llext/simple/prj.conf
+++ b/tests/subsys/llext/simple/prj.conf
@@ -2,7 +2,8 @@ CONFIG_ZTEST=y
 CONFIG_ZTEST_STACK_SIZE=4096
 CONFIG_LOG=y
 CONFIG_LLEXT=y
-CONFIG_LLEXT_HEAP_SIZE=32
+CONFIG_LLEXT_HEAP_SIZE=64
+CONFIG_LLEXT_EXPORT_DEVICES=y
 CONFIG_LLEXT_LOG_LEVEL_DBG=y
 
 CONFIG_APPLICATION_DEFINED_SYSCALL=y
diff --git a/tests/subsys/llext/simple/src/test_llext_simple.c b/tests/subsys/llext/simple/src/test_llext_simple.c
index 2a33d92be4e72e8..bed02cd7feb9783 100644
--- a/tests/subsys/llext/simple/src/test_llext_simple.c
+++ b/tests/subsys/llext/simple/src/test_llext_simple.c
@@ -5,6 +5,7 @@
  */
 
 #include <zephyr/ztest.h>
+#include <zephyr/device.h>
 #include <zephyr/kernel.h>
 #include <zephyr/fs/fs.h>
 #if defined(CONFIG_FILE_SYSTEM_LITTLEFS)
@@ -108,6 +109,9 @@ static void threads_objects_test_setup(struct llext *, struct k_thread *llext_th
 	k_object_access_grant(&my_sem, llext_thread);
 	k_object_access_grant(&my_thread, llext_thread);
 	k_object_access_grant(&my_thread_stack, llext_thread);
+#if DT_HAS_CHOSEN(zephyr_console)
+	k_object_access_grant(DEVICE_DT_GET(DT_CHOSEN(zephyr_console)), llext_thread);
+#endif
 }
 #else
 /* No need to set up permissions for supervisor mode */
diff --git a/tests/subsys/llext/simple/src/threads_kernel_objects_ext.c b/tests/subsys/llext/simple/src/threads_kernel_objects_ext.c
index ab9763b91215146..2fdcfb0282f13c5 100644
--- a/tests/subsys/llext/simple/src/threads_kernel_objects_ext.c
+++ b/tests/subsys/llext/simple/src/threads_kernel_objects_ext.c
@@ -5,21 +5,47 @@
  */
 
 /*
- * This code demonstrates the use of threads and requires object
- * relocation support.
+ * This code checks the functionality of threads (including synchronization
+ * primitives) and device access from extensions.
+ * This test should be valid from both user and privileged modes.
  */
 
 #include <stdint.h>
 #include <zephyr/llext/symbol.h>
+#include <zephyr/device.h>
 #include <zephyr/kernel.h>
 #include <zephyr/ztest_assert.h>
 
 #include "threads_kernel_objects_ext.h"
 
+/*
+ * This optional check is required because the current qemu_xtensa platform
+ * does not have any usable DT devices to test with.
+ */
+#if DT_HAS_CHOSEN(zephyr_console)
+#define CONSOLE_DT_NODE DT_CHOSEN(zephyr_console)
+#endif
+
 void test_thread(void *arg0, void *arg1, void *arg2)
 {
 	printk("Take semaphore from test thread\n");
 	k_sem_take(&my_sem, K_FOREVER);
+
+#ifdef CONSOLE_DT_NODE
+	const struct device *const console_dev = DEVICE_DT_GET(CONSOLE_DT_NODE);
+	const char *const console_name = DEVICE_DT_NAME(CONSOLE_DT_NODE);
+	const struct device *binding_dev;
+
+	/* Ensure the console device was properly obtained at compile time */
+	zassert_not_null(console_dev);
+
+	/* Try to get the same handle at runtime and verify they match */
+	binding_dev = device_get_binding(console_name);
+	zassert_equal(binding_dev, console_dev);
+
+	/* Verify device API functionality, console must be ready in CI tests */
+	zassert_true(device_is_ready(console_dev));
+#endif
 }
 
 void test_entry(void)