diff --git a/Kernel/CMakeLists.txt b/Kernel/CMakeLists.txt
index 09239729923..74bb9cb5d7b 100644
--- a/Kernel/CMakeLists.txt
+++ b/Kernel/CMakeLists.txt
@@ -495,6 +495,18 @@ add_compile_options(-fno-exceptions)
 # FIXME: remove -nodefaultlibs after the next toolchain update
 add_compile_options(-nodefaultlibs -nostdlib)
 
+# Auto initialize trivial types on the stack, we use "pattern" as 
+# it's the only option portable across compilers going forward.
+#
+# This is designed to help avoid uninitialized variables bugs and
+# information disclosures coming from the kernel stack. 
+#
+# FIXME: It appears to conflict with something during the boot of the
+# aarch64 kernel, we should investigate and remove this special case.
+if (NOT "${SERENITY_ARCH}" STREQUAL "aarch64")
+    add_compile_options(-ftrivial-auto-var-init=pattern)
+endif()
+
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     # Apply any flags that are only available on >= GCC 11.1
     if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "11.1")