diff --git a/WORKSPACE b/WORKSPACE
index d466fb33a..d9a068918 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -42,8 +42,6 @@ git_repository(
         "@//patches:0003-original_dst_cluster-Avoid-multiple-hosts-for-the-sa.patch",
         "@//patches:0004-thread_local-reset-slot-in-worker-threads-first.patch",
         "@//patches:0005-http-header-expose-attribute.patch",
-        "@//patches:0006-build-Fix-arm-build-for-liburing.patch",
-        "@//patches:0007-Add-latomic-back-for-arm-build.patch",
     ],
     # // clang-format off: Envoy's format check: Only repository_locations.bzl may contains URL references
     remote = "https://github.com/envoyproxy/envoy.git",
diff --git a/bazel/toolchains/BUILD b/bazel/toolchains/BUILD
index 4a9e68bbc..814b19110 100644
--- a/bazel/toolchains/BUILD
+++ b/bazel/toolchains/BUILD
@@ -55,6 +55,17 @@ cc_toolchain_config(
     ],
     cxx_flags = ["-std=c++0x"],
     dbg_compile_flags = ["-g"],
+    # Cross-compilation flags exported as environment variables for foreign_cc
+    # rules (e.g. liburing's configure_make). This ensures foreign build systems
+    # see the correct --target when they use CFLAGS/CPPFLAGS from the environment.
+    foreign_cc_env = {
+        "CFLAGS": "--target=aarch64-unknown-linux-gnu -fuse-ld=lld",
+        "CPPFLAGS": "--target=aarch64-unknown-linux-gnu -fuse-ld=lld",
+        # -lc is needed because liburing builds a shared library with -Wl,-z,defs
+        # which requires all symbols (including memset from libc) to be resolved.
+        # The cross-compiler driver doesn't implicitly add -lc for shared libraries.
+        "LDFLAGS": "--target=aarch64-unknown-linux-gnu -fuse-ld=lld -lc",
+    },
     host_system_name = "local",
     link_flags = [
         "--target=aarch64-unknown-linux-gnu",
@@ -63,7 +74,10 @@ cc_toolchain_config(
         "-Wl,-z,relro,-z,now",
         "-lm",
     ],
-    link_libs = ["-l:libstdc++.a"],
+    link_libs = [
+        "-l:libstdc++.a",
+        "-latomic",
+    ],
     opt_compile_flags = [
         "-g0",
         "-O2",
@@ -162,7 +176,10 @@ cc_toolchain_config(
         "-Wl,-z,relro,-z,now",
         "-lm",
     ],
-    link_libs = ["-l:libstdc++.a"],
+    link_libs = [
+        "-l:libstdc++.a",
+        "-latomic",
+    ],
     opt_compile_flags = [
         "-g0",
         "-O2",
diff --git a/bazel/toolchains/cc_toolchain_config.bzl b/bazel/toolchains/cc_toolchain_config.bzl
index ce91d9c07..500f69d96 100644
--- a/bazel/toolchains/cc_toolchain_config.bzl
+++ b/bazel/toolchains/cc_toolchain_config.bzl
@@ -20,6 +20,8 @@
 load("@bazel_tools//tools/build_defs/cc:action_names.bzl", "ACTION_NAMES")
 load(
     "@bazel_tools//tools/cpp:cc_toolchain_config_lib.bzl",
+    "env_entry",
+    "env_set",
     "feature",
     "feature_set",
     "flag_group",
@@ -1145,6 +1147,26 @@ def _impl(ctx):
         ],
     )
 
+    # Export cross-compilation flags as environment variables for foreign_cc rules
+    # (e.g. rules_foreign_cc's configure_make). These env vars are picked up by
+    # cc_common.get_environment_variables() and exported globally in the build
+    # script prelude, making them available to both configure and make steps.
+    # This is needed because some foreign build systems (like liburing) override
+    # CFLAGS internally, losing the --target flag from the toolchain's compile_flags.
+    foreign_cc_env_feature = feature(
+        name = "foreign_cc_env",
+        enabled = bool(ctx.attr.foreign_cc_env),
+        env_sets = [
+            env_set(
+                actions = all_compile_actions + all_link_actions,
+                env_entries = [
+                    env_entry(key = key, value = value)
+                    for key, value in ctx.attr.foreign_cc_env.items()
+                ],
+            ),
+        ] if ctx.attr.foreign_cc_env else [],
+    )
+
     is_linux = ctx.attr.target_libc != "macosx"
 
     # TODO(#8303): Mac crosstool should also declare every feature.
@@ -1194,6 +1216,7 @@ def _impl(ctx):
             user_compile_flags_feature,
             sysroot_feature,
             unfiltered_compile_flags_feature,
+            foreign_cc_env_feature,
         ] + layering_check_features(ctx.attr.compiler)
     else:
         features = [
@@ -1213,6 +1236,7 @@ def _impl(ctx):
             user_compile_flags_feature,
             sysroot_feature,
             unfiltered_compile_flags_feature,
+            foreign_cc_env_feature,
         ] + layering_check_features(ctx.attr.compiler)
 
     return cc_common.create_cc_toolchain_config_info(
@@ -1257,6 +1281,7 @@ cc_toolchain_config = rule(
         "coverage_link_flags": attr.string_list(),
         "supports_start_end_lib": attr.bool(),
         "builtin_sysroot": attr.string(),
+        "foreign_cc_env": attr.string_dict(),
     },
     provides = [CcToolchainConfigInfo],
 )
diff --git a/patches/0006-build-Fix-arm-build-for-liburing.patch b/patches/0006-build-Fix-arm-build-for-liburing.patch
deleted file mode 100644
index 250c280d8..000000000
--- a/patches/0006-build-Fix-arm-build-for-liburing.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-From 42db1598d81cbccb575c0cd40578f9481a3549e7 Mon Sep 17 00:00:00 2001
-From: Tam Mach <sayboras@yahoo.com>
-Date: Wed, 14 May 2025 11:27:14 +1000
-Subject: [PATCH] build: Fix arm build for liburing
-
----
- bazel/foreign_cc/BUILD | 14 ++++++++++++++
- 1 file changed, 14 insertions(+)
-
-diff --git a/bazel/foreign_cc/BUILD b/bazel/foreign_cc/BUILD
-index 2cd885639a..d4b3ea1277 100644
---- a/bazel/foreign_cc/BUILD
-+++ b/bazel/foreign_cc/BUILD
-@@ -28,6 +28,20 @@ config_setting(
- configure_make(
-     name = "liburing",
-     configure_in_place = True,
-+    env = select({
-+        # (sayboras) Ideally, this should be passed as part of environment variables during cross-compilation,
-+        # but somehow it doesn't work. So, we have to pass them manually for arm cross-compilation.
-+        # The config should be kept in sync with bazel/toolchains/BUILD
-+        "//bazel:linux_aarch64": {
-+            "CFLAGS": "--target=aarch64-unknown-linux-gnu -fuse-ld=lld-18",
-+            "CPPFLAGS": "--target=aarch64-unknown-linux-gnu -fuse-ld=lld-18",
-+            "LDFLAGS": "-Wl,-S --target=aarch64-unknown-linux-gnu -fuse-ld=lld-18 -Wl,-no-as-needed -Wl,-z,relro,-z,now -lm -l:libstdc++.a -lc",
-+            "CC": "/usr/bin/clang-18",
-+            "CXX": "/usr/bin/clang-18",
-+            "LD": "/usr/bin/lld-18",
-+        },
-+        "//conditions:default": {},
-+    }),
-     lib_source = "@com_github_axboe_liburing//:all",
-     tags = [
-         "nocompdb",
--- 
-2.49.0
-
diff --git a/patches/0007-Add-latomic-back-for-arm-build.patch b/patches/0007-Add-latomic-back-for-arm-build.patch
deleted file mode 100644
index ead05c16f..000000000
--- a/patches/0007-Add-latomic-back-for-arm-build.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From 4dad6252057e395d8c87831419e6e05d55d323a6 Mon Sep 17 00:00:00 2001
-From: Tam Mach <sayboras@yahoo.com>
-Date: Fri, 12 Dec 2025 13:45:27 +1100
-Subject: [PATCH] Add latomic back for arm build
-
----
- bazel/v8.patch | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/bazel/v8.patch b/bazel/v8.patch
-index 9b0cb2374f..512b22ebf4 100644
---- a/bazel/v8.patch
-+++ b/bazel/v8.patch
-@@ -284,7 +284,7 @@ index 39663c97df4..14b90ec6905 100644
-              ],
-              "@v8//bazel/config:is_macos": ["-pthread"],
- -            "//conditions:default": ["-Wl,--no-as-needed -ldl -latomic -pthread"],
--+            "//conditions:default": ["-Wl,--no-as-needed -ldl -pthread"],
-++            "//conditions:default": ["-Wl,--no-as-needed -ldl -latomic -pthread"],
-          }) + select({
-              ":should_add_rdynamic": ["-rdynamic"],
-              "//conditions:default": [],
--- 
-2.43.0
-