diff --git a/math-libs/pre_hook_hipCUB.cmake b/math-libs/pre_hook_hipCUB.cmake
new file mode 100644
index 0000000000..5d9504c901
--- /dev/null
+++ b/math-libs/pre_hook_hipCUB.cmake
@@ -0,0 +1,10 @@
+# Copyright Advanced Micro Devices, Inc.
+# SPDX-License-Identifier: MIT
+
+# Workaround: hipCUB ASAN build failures with BUILD_BENCHMARK=ON.
+# 1) Disable ROCMChecks variable_watch before it loads.
+# 2) Skip Google Benchmark try_run regex detection (fails under ASAN).
+# Remove once upstream fix lands: https://github.com/ROCm/rocm-libraries/pull/6338
+set(ROCM_WARN_TOOLCHAIN_VAR OFF CACHE BOOL "" FORCE)
+set(HAVE_STD_REGEX ON CACHE BOOL "" FORCE)
+set(RUN_HAVE_STD_REGEX 1 CACHE STRING "" FORCE)