diff --git a/platform/ext/common/gcc/tfm_common_bl2.ld b/platform/ext/common/gcc/tfm_common_bl2.ld
index cb673db..5b69352 100644
--- a/platform/ext/common/gcc/tfm_common_bl2.ld
+++ b/platform/ext/common/gcc/tfm_common_bl2.ld
@@ -22,6 +22,11 @@
 
 #include "region_defs.h"
 
+/* Include file with definitions for section alignments.
+ * Note: it should be included after region_defs.h to let platform define
+ * default values if needed. */
+#include "tfm_s_linker_alignments.h"
+
 MEMORY
 {
     FLASH (rx)  : ORIGIN = BL2_CODE_START, LENGTH = BL2_CODE_SIZE
@@ -70,18 +75,18 @@
 #ifdef CODE_SHARING
         LONG (LOADADDR(.tfm_shared_symbols))
         LONG (ADDR(.tfm_shared_symbols))
-        LONG (SIZEOF(.tfm_shared_symbols) / 4)
+        LONG (SIZEOF(.tfm_shared_symbols) / 4)    /* Aligment checked after the section */
 #endif
         LONG (LOADADDR(.data))
         LONG (ADDR(.data))
-        LONG (SIZEOF(.data) / 4)
+        LONG (SIZEOF(.data) / 4)    /* Aligment checked after the section */
         __copy_table_end__ = .;
 
         /* .zero.table */
         . = ALIGN(4);
         __zero_table_start__ = .;
         LONG (ADDR(.bss))
-        LONG (SIZEOF(.bss) / 4)
+        LONG (SIZEOF(.bss) / 4)    /* Aligment checked after the section */
         __zero_table_end__ = .;
 
         KEEP(*(.init))
@@ -106,6 +111,12 @@
         KEEP(*(.eh_frame*))
     } > FLASH
 
+#ifdef CODE_SHARING
+    CHECK_ALIGNMENT_4(SIZEOF(.tfm_shared_symbols))
+#endif
+    CHECK_ALIGNMENT_4(SIZEOF(.data))
+    CHECK_ALIGNMENT_4(SIZEOF(.bss))
+
     .ARM.extab :
     {
         *(.ARM.extab* .gnu.linkonce.armextab.*)
diff --git a/platform/ext/common/gcc/tfm_common_s.ld.template b/platform/ext/common/gcc/tfm_common_s.ld.template
index 28adb80..baf8136 100644
--- a/platform/ext/common/gcc/tfm_common_s.ld.template
+++ b/platform/ext/common/gcc/tfm_common_s.ld.template
@@ -241,24 +241,25 @@
         /* Copy interrupt vectors from flash to RAM */
         LONG (__vectors_start__)                            /* From */
         LONG (__ram_vectors_start__)                        /* To   */
-        LONG ((__vectors_end__ - __vectors_start__) / 4)    /* Size */
+        LONG ((__vectors_end__ - __vectors_start__) / 4)    /* Size, aligment checked after the section */
 #endif
         LONG (LOADADDR(.TFM_DATA))
         LONG (ADDR(.TFM_DATA))
-        LONG (SIZEOF(.TFM_DATA) / 4)
+        LONG (SIZEOF(.TFM_DATA) / 4)    /* Aligment checked after the section */
 
         LONG (LOADADDR(.TFM_PSA_ROT_LINKER_DATA))
         LONG (ADDR(.TFM_PSA_ROT_LINKER_DATA))
-        LONG (SIZEOF(.TFM_PSA_ROT_LINKER_DATA) / 4)
+        LONG (SIZEOF(.TFM_PSA_ROT_LINKER_DATA) / 4)    /* Aligment checked after the section */
 
         LONG (LOADADDR(.TFM_APP_ROT_LINKER_DATA))
         LONG (ADDR(.TFM_APP_ROT_LINKER_DATA))
-        LONG (SIZEOF(.TFM_APP_ROT_LINKER_DATA) / 4)
+        LONG (SIZEOF(.TFM_APP_ROT_LINKER_DATA) / 4)    /* Aligment checked after the section */
+        CHECK_ALIGNMENT_4(SIZEOF(.TFM_APP_ROT_LINKER_DATA))
 
 #if defined (S_RAM_CODE_START)
         LONG (LOADADDR(.ER_CODE_SRAM))
         LONG (ADDR(.ER_CODE_SRAM))
-        LONG (SIZEOF(.ER_CODE_SRAM) / 4)
+        LONG (SIZEOF(.ER_CODE_SRAM) / 4)    /* Aligment checked after the section */
 #endif
         __copy_table_end__ = .;
 
@@ -266,13 +267,16 @@
         . = ALIGN(4);
         __zero_table_start__ = .;
         LONG (ADDR(.TFM_PSA_ROT_LINKER_BSS))
-        LONG (SIZEOF(.TFM_PSA_ROT_LINKER_BSS) / 4)
+        LONG (SIZEOF(.TFM_PSA_ROT_LINKER_BSS) / 4)    /* Aligment checked after the section */
+        CHECK_ALIGNMENT_4(SIZEOF(.TFM_PSA_ROT_LINKER_BSS))
 
         LONG (ADDR(.TFM_APP_ROT_LINKER_BSS))
-        LONG (SIZEOF(.TFM_APP_ROT_LINKER_BSS) / 4)
+        LONG (SIZEOF(.TFM_APP_ROT_LINKER_BSS) / 4)    /* Aligment checked after the section */
+        CHECK_ALIGNMENT_4(SIZEOF(.TFM_APP_ROT_LINKER_BSS))
 #if defined(CONFIG_TFM_PARTITION_META)
         LONG (ADDR(.TFM_SP_META_PTR))
-        LONG (SIZEOF(.TFM_SP_META_PTR) / 4)
+        LONG (SIZEOF(.TFM_SP_META_PTR) / 4)    /* Aligment checked after the section */
+        CHECK_ALIGNMENT_4(SIZEOF(.TFM_SP_META_PTR))
 #endif
         __zero_table_end__ = .;
 
@@ -284,6 +288,21 @@
         *libtfm_spm*:*(.rodata*)
     } > FLASH
 
+#ifdef RAM_VECTORS_SUPPORT
+    CHECK_ALIGNMENT_4(__vectors_end__ - __vectors_start__)
+#endif
+    CHECK_ALIGNMENT_4(SIZEOF(.TFM_DATA))
+    CHECK_ALIGNMENT_4(SIZEOF(.TFM_PSA_ROT_LINKER_DATA))
+    CHECK_ALIGNMENT_4(SIZEOF(.TFM_APP_ROT_LINKER_DATA))
+#if defined (S_RAM_CODE_START)
+    CHECK_ALIGNMENT_4(SIZEOF(.ER_CODE_SRAM))
+#endif
+    CHECK_ALIGNMENT_4(SIZEOF(.TFM_PSA_ROT_LINKER_BSS))
+    CHECK_ALIGNMENT_4(SIZEOF(.TFM_APP_ROT_LINKER_BSS))
+#if defined(CONFIG_TFM_PARTITION_META)
+    CHECK_ALIGNMENT_4(SIZEOF(.TFM_SP_META_PTR))
+#endif
+
     .TFM_UNPRIV_CODE ALIGN(TFM_LINKER_UNPRIV_CODE_ALIGNMENT) :
     {
         *(SORT_BY_ALIGNMENT(.text*))
diff --git a/platform/ext/common/gcc/tfm_isolation_s.ld.template b/platform/ext/common/gcc/tfm_isolation_s.ld.template
index 810ef34..07ddeaf 100644
--- a/platform/ext/common/gcc/tfm_isolation_s.ld.template
+++ b/platform/ext/common/gcc/tfm_isolation_s.ld.template
@@ -233,22 +233,22 @@
         /* Copy interrupt vectors from flash to RAM */
         LONG (__vectors_start__)                            /* From */
         LONG (__ram_vectors_start__)                        /* To   */
-        LONG ((__vectors_end__ - __vectors_start__) / 4)    /* Size */
+        LONG ((__vectors_end__ - __vectors_start__) / 4)    /* Size, aligment checked after the section */
 #endif
         LONG (LOADADDR(.TFM_DATA))
         LONG (ADDR(.TFM_DATA))
-        LONG (SIZEOF(.TFM_DATA) / 4)
+        LONG (SIZEOF(.TFM_DATA) / 4)    /* Aligment checked after the section */
 
 {% for partition in partitions %}
         LONG (LOADADDR(.ER_{{partition.manifest.name}}_DATA))
         LONG (ADDR(.ER_{{partition.manifest.name}}_DATA))
-        LONG (SIZEOF(.ER_{{partition.manifest.name}}_DATA) / 4)
+        LONG (SIZEOF(.ER_{{partition.manifest.name}}_DATA) / 4)    /* Aligment checked after the section */
 {% endfor %}
 
 #ifdef S_RAM_CODE_START
         LONG (LOADADDR(.ER_CODE_SRAM))
         LONG (ADDR(.ER_CODE_SRAM))
-        LONG (SIZEOF(.ER_CODE_SRAM) / 4)
+        LONG (SIZEOF(.ER_CODE_SRAM) / 4)    /* Aligment checked after the section */
 #endif
         __copy_table_end__ = .;
 
@@ -257,12 +257,12 @@
         __zero_table_start__ = .;
 {% for partition in partitions %}
         LONG (ADDR(.ER_{{partition.manifest.name}}_BSS))
-        LONG (SIZEOF(.ER_{{partition.manifest.name}}_BSS) / 4)
+        LONG (SIZEOF(.ER_{{partition.manifest.name}}_BSS) / 4)    /* Aligment checked after the section */
 {% endfor %}
 
 #ifdef CONFIG_TFM_PARTITION_META
         LONG (ADDR(.TFM_SP_META_PTR))
-        LONG (SIZEOF(.TFM_SP_META_PTR) / 4)
+        LONG (SIZEOF(.TFM_SP_META_PTR) / 4)    /* Aligment checked after the section */
 #endif
         __zero_table_end__ = .;
 
@@ -272,6 +272,21 @@
         *(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libflash_drivers*) .text*))
     } > FLASH
 
+#ifdef RAM_VECTORS_SUPPORT
+    CHECK_ALIGNMENT_4(__vectors_end__ - __vectors_start__)
+#endif
+    CHECK_ALIGNMENT_4(SIZEOF(.TFM_DATA))
+#ifdef S_RAM_CODE_START
+    CHECK_ALIGNMENT_4(SIZEOF(.ER_CODE_SRAM))
+#endif
+#ifdef CONFIG_TFM_PARTITION_META
+    CHECK_ALIGNMENT_4(SIZEOF(.TFM_SP_META_PTR))
+#endif
+{% for partition in partitions %}
+    CHECK_ALIGNMENT_4(SIZEOF(.ER_{{partition.manifest.name}}_DATA))
+    CHECK_ALIGNMENT_4(SIZEOF(.ER_{{partition.manifest.name}}_BSS))
+{% endfor %}
+
     /* Position tag: End of PSA RoT code (privileged) */
     . = ALIGN(TFM_LINKER_PT_PSA_ROT_CODE_ALIGNMENT);
     Image$$PT_PSA_ROT_CODE_END$$Base = .;
@@ -428,6 +443,7 @@
     {% endif %}
         *({{partition.manifest.name}}_APP-ROT_ATTR_ZI)
         . += (. - start_of_{{partition.manifest.name}}_bss) ? 0 : 4;
+        . = ALIGN(4);
     } > RAM
 
     /* Position tag: End of Application RoT partition's private data */
@@ -535,6 +551,7 @@
     {% endif %}
         *({{partition.manifest.name}}_PSA-ROT_ATTR_ZI)
         . += (. - start_of_{{partition.manifest.name}}_bss) ? 0 : 4;
+        . = ALIGN(4);
     } > RAM
 
     /* Position tag: End of PSA RoT partition's private data */
diff --git a/platform/ext/common/tfm_s_linker_alignments.h b/platform/ext/common/tfm_s_linker_alignments.h
index 4f8408b..0d11557 100644
--- a/platform/ext/common/tfm_s_linker_alignments.h
+++ b/platform/ext/common/tfm_s_linker_alignments.h
@@ -19,6 +19,8 @@
 #define ROUND_UP_TO_MULTIPLE(number, multiple) \
     ((((number) + (multiple) - 1) / (multiple)) * (multiple))
 
+#define CHECK_ALIGNMENT_4(size) ASSERT((size) % 4 == 0, #size)
+
 /* Default alignment for linker file sections is set to 32 because ARM TrustZone
  * protection units (SAU and MPU) require regions to be 32 bytes aligned. */
 #ifndef TFM_LINKER_DEFAULT_ALIGNMENT