diff --git a/components/bootloader_support/src/bootloader_init.c b/components/bootloader_support/src/bootloader_init.c
index 0e8dcd7621..9488bb60e1 100644
--- a/components/bootloader_support/src/bootloader_init.c
+++ b/components/bootloader_support/src/bootloader_init.c
@@ -29,7 +29,7 @@ esp_image_header_t WORD_ALIGNED_ATTR bootloader_image_hdr;
 
 void bootloader_clear_bss_section(void)
 {
-    memset(&_bss_start, 0, (&_bss_end - &_bss_start) * sizeof(_bss_start));
+    memset(&_bss_start, 0, (uintptr_t)&_bss_end - (uintptr_t)&_bss_start);
 }
 
 esp_err_t bootloader_read_bootloader_header(void)
diff --git a/components/esp_hw_support/lowpower/port/esp32s3/sleep_cpu.c b/components/esp_hw_support/lowpower/port/esp32s3/sleep_cpu.c
index b070648730..14edd6563c 100644
--- a/components/esp_hw_support/lowpower/port/esp32s3/sleep_cpu.c
+++ b/components/esp_hw_support/lowpower/port/esp32s3/sleep_cpu.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -119,11 +119,11 @@ static esp_err_t esp_sleep_tagmem_pd_low_init(void)
     if (s_tag_mem->link_addr == NULL) {
         extern char _stext[], _etext[];
         uint32_t code_start = (uint32_t)_stext;
-        uint32_t code_size = (uint32_t)(_etext - _stext);
+        uint32_t code_size = (uint32_t)((uintptr_t)_etext - (uintptr_t)_stext);
 #if !(CONFIG_SPIRAM && CONFIG_SOC_PM_SUPPORT_TAGMEM_PD)
         extern char _rodata_start[], _rodata_reserved_end[];
         uint32_t data_start = (uint32_t)_rodata_start;
-        uint32_t data_size = (uint32_t)(_rodata_reserved_end - _rodata_start);
+        uint32_t data_size = (uint32_t)((uintptr_t)_rodata_reserved_end - (uintptr_t)_rodata_start);
 #else
         uint32_t data_start = SOC_DROM_LOW;
         uint32_t data_size = SOC_EXTRAM_DATA_SIZE;
diff --git a/components/esp_rom/esp32s2/usb_patches.c b/components/esp_rom/esp32s2/usb_patches.c
index 978c9b1f78..6acd2dbeb0 100644
--- a/components/esp_rom/esp32s2/usb_patches.c
+++ b/components/esp_rom/esp32s2/usb_patches.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -73,11 +73,11 @@ void rom_usb_cdc_set_descriptor_patch(void)
 void usb_dev_deinit(void)
 {
     extern char rom_usb_dev, rom_usb_dev_end;
-    memset((void *) &rom_usb_dev, 0, &rom_usb_dev_end - &rom_usb_dev);
+    memset((void *) &rom_usb_dev, 0, (uintptr_t)&rom_usb_dev_end - (uintptr_t)&rom_usb_dev);
 }
 
 void usb_dw_ctrl_deinit(void)
 {
     extern char rom_usb_dw_ctrl, rom_usb_dw_ctrl_end;
-    memset((void *) &rom_usb_dw_ctrl, 0, &rom_usb_dw_ctrl_end - &rom_usb_dw_ctrl);
+    memset((void *) &rom_usb_dw_ctrl, 0, (uintptr_t)&rom_usb_dw_ctrl_end - (uintptr_t)&rom_usb_dw_ctrl);
 }
diff --git a/components/esp_system/port/cpu_start.c b/components/esp_system/port/cpu_start.c
index 978aa1fb81..0afbd83254 100644
--- a/components/esp_system/port/cpu_start.c
+++ b/components/esp_system/port/cpu_start.c
@@ -417,26 +417,26 @@ FORCE_INLINE_ATTR IRAM_ATTR void get_reset_reason(soc_reset_reason_t *rst_reas)
 FORCE_INLINE_ATTR IRAM_ATTR void init_bss(const soc_reset_reason_t *rst_reas)
 {
 #if SOC_MEM_NON_CONTIGUOUS_SRAM
-    memset(&_bss_start_low, 0, (&_bss_end_low - &_bss_start_low) * sizeof(_bss_start_low));
-    memset(&_bss_start_high, 0, (&_bss_end_high - &_bss_start_high) * sizeof(_bss_start_high));
+    memset(&_bss_start_low, 0, (uintptr_t)&_bss_end_low - (uintptr_t)&_bss_start_low);
+    memset(&_bss_start_high, 0, (uintptr_t)&_bss_end_high - (uintptr_t)&_bss_start_high);
 #else
-    memset(&_bss_start, 0, (&_bss_end - &_bss_start) * sizeof(_bss_start));
+    memset(&_bss_start, 0, (uintptr_t)&_bss_end - (uintptr_t)&_bss_start);
 #endif // SOC_MEM_NON_CONTIGUOUS_SRAM
 
 #if CONFIG_BT_LE_RELEASE_IRAM_SUPPORTED
     // Clear Bluetooth bss
-    memset(&_bss_bt_start, 0, (&_bss_bt_end - &_bss_bt_start) * sizeof(_bss_bt_start));
+    memset(&_bss_bt_start, 0, (uintptr_t)&_bss_bt_end - (uintptr_t)&_bss_bt_start);
 #endif // CONFIG_BT_LE_RELEASE_IRAM_SUPPORTED
 
 #if defined(CONFIG_IDF_TARGET_ESP32) && defined(CONFIG_ESP32_IRAM_AS_8BIT_ACCESSIBLE_MEMORY)
     // Clear IRAM BSS
-    memset(&_iram_bss_start, 0, (&_iram_bss_end - &_iram_bss_start) * sizeof(_iram_bss_start));
+    memset(&_iram_bss_start, 0, (uintptr_t)&_iram_bss_end - (uintptr_t)&_iram_bss_start);
 #endif
 
 #if SOC_RTC_FAST_MEM_SUPPORTED || SOC_RTC_SLOW_MEM_SUPPORTED
     /* Unless waking from deep sleep (implying RTC memory is intact), clear RTC bss */
     if (rst_reas[0] != RESET_REASON_CORE_DEEP_SLEEP) {
-        memset(&_rtc_bss_start, 0, (&_rtc_bss_end - &_rtc_bss_start) * sizeof(_rtc_bss_start));
+        memset(&_rtc_bss_start, 0, (uintptr_t)&_rtc_bss_end - (uintptr_t)&_rtc_bss_start);
     }
 #endif
 }
diff --git a/components/heap/port/memory_layout_utils.c b/components/heap/port/memory_layout_utils.c
index f24fdebf00..6410252a90 100644
--- a/components/heap/port/memory_layout_utils.c
+++ b/components/heap/port/memory_layout_utils.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2018-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2018-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -25,8 +25,9 @@ extern soc_reserved_region_t soc_reserved_memory_region_end;
 
 static size_t s_get_num_reserved_regions(void)
 {
-    size_t result = ( &soc_reserved_memory_region_end
-             - &soc_reserved_memory_region_start );
+    size_t result = (uintptr_t)&soc_reserved_memory_region_end - (uintptr_t)&soc_reserved_memory_region_start;
+    result /= sizeof(soc_reserved_region_t);
+
 #if ESP_ROM_HAS_LAYOUT_TABLE
     return result + 1; // ROM table means one entry needs to be added at runtime
 #else
diff --git a/components/mbedtls/esp_crt_bundle/esp_crt_bundle.c b/components/mbedtls/esp_crt_bundle/esp_crt_bundle.c
index 65f817f7bd..9714f5366c 100644
--- a/components/mbedtls/esp_crt_bundle/esp_crt_bundle.c
+++ b/components/mbedtls/esp_crt_bundle/esp_crt_bundle.c
@@ -335,7 +335,7 @@ esp_err_t esp_crt_bundle_attach(void *conf)
     esp_err_t ret = ESP_OK;
     // If no bundle has been set by the user then use the bundle embedded in the binary
     if (s_crt_bundle == NULL) {
-        ret = esp_crt_bundle_init(x509_crt_imported_bundle_bin_start, x509_crt_imported_bundle_bin_end - x509_crt_imported_bundle_bin_start);
+        ret = esp_crt_bundle_init(x509_crt_imported_bundle_bin_start, (uintptr_t)x509_crt_imported_bundle_bin_end - (uintptr_t)x509_crt_imported_bundle_bin_start);
     }
 
     if (unlikely(ret != ESP_OK)) {