diff --git a/lmdk/cmake/ldscripts/bss_linker_script.txt b/lmdk/cmake/ldscripts/bss_linker_script.txt
index c214d4662978..4d76356f8630 100644
--- a/lmdk/cmake/ldscripts/bss_linker_script.txt
+++ b/lmdk/cmake/ldscripts/bss_linker_script.txt
@@ -16,5 +16,18 @@ SECTIONS {
         _next_end = ABSOLUTE(.);
         *(.bss)
         *(.bss.*)
+
+        /* Heap memory */
+        . = ALIGN(4);
+        __stack = .;
+        _end = .;
+        KEEP(*(.heap_mem))
+
+        /* Use the unused rest of the memory page as a heap */
+        . = ALIGN(4096);
+
+        /* The sbrk function implementation by xtensa incorrectly checks whether the allocated
+           memory block fits in the heap, so we have to add 1 to the end of the heap marker. */
+        _heap_sentry = . + 1;
     } >HPSRAM_seg : bss_phdr
 }
diff --git a/lmdk/cmake/ldscripts/data_linker_script.txt b/lmdk/cmake/ldscripts/data_linker_script.txt
index 08b75bbf5b53..c9b4e768844b 100644
--- a/lmdk/cmake/ldscripts/data_linker_script.txt
+++ b/lmdk/cmake/ldscripts/data_linker_script.txt
@@ -11,6 +11,7 @@ SECTIONS {
         _data_start = ABSOLUTE(.);
         *(.data)
         *(.data.*)
+        *(.*.data)
         _data_end = ABSOLUTE(.);
     } >HPSRAM_seg : data_phdr