diff --git a/scripts/run_integration_tests_aarch64.sh b/scripts/run_integration_tests_aarch64.sh
index 3d485716e..7e3d204d7 100755
--- a/scripts/run_integration_tests_aarch64.sh
+++ b/scripts/run_integration_tests_aarch64.sh
@@ -154,8 +154,8 @@ update_workloads() {
     fi
     popd || exit
 
-    # Build custom kernel for guest VMs
-    build_custom_linux
+    # Download prebuild linux binaries
+    download_linux
 
     # Update the kernel in the cloud image for some tests that requires recent kernel version
     FOCAL_OS_RAW_IMAGE_UPDATE_KERNEL_NAME="focal-server-cloudimg-arm64-custom-20210929-0-update-kernel.raw"
diff --git a/scripts/run_integration_tests_live_migration.sh b/scripts/run_integration_tests_live_migration.sh
index 84986474b..ad0a4f404 100755
--- a/scripts/run_integration_tests_live_migration.sh
+++ b/scripts/run_integration_tests_live_migration.sh
@@ -56,7 +56,8 @@ popd || exit
 # Build custom kernel based on virtio-pmem and virtio-fs upstream patches
 VMLINUX_IMAGE="$WORKLOADS_DIR/vmlinux"
 if [ ! -f "$VMLINUX_IMAGE" ]; then
-    build_custom_linux
+    # Download prebuild linux binaries
+    download_linux
 fi
 
 CFLAGS=""
diff --git a/scripts/run_integration_tests_rate_limiter.sh b/scripts/run_integration_tests_rate_limiter.sh
index ca4408c2c..be008625f 100755
--- a/scripts/run_integration_tests_rate_limiter.sh
+++ b/scripts/run_integration_tests_rate_limiter.sh
@@ -44,7 +44,8 @@ if ! grep focal sha1sums-x86_64 | sha1sum --check; then
 fi
 popd || exit
 
-build_custom_linux
+# Download prebuild linux binaries
+download_linux
 
 CFLAGS=""
 if [[ "${BUILD_TARGET}" == "x86_64-unknown-linux-musl" ]]; then
diff --git a/scripts/run_integration_tests_x86_64.sh b/scripts/run_integration_tests_x86_64.sh
index 063dae51e..27eb156a0 100755
--- a/scripts/run_integration_tests_x86_64.sh
+++ b/scripts/run_integration_tests_x86_64.sh
@@ -102,7 +102,8 @@ popd || exit
 # Build custom kernel based on virtio-pmem and virtio-fs upstream patches
 VMLINUX_IMAGE="$WORKLOADS_DIR/vmlinux"
 if [ ! -f "$VMLINUX_IMAGE" ]; then
-    build_custom_linux
+    # Download prebuild linux binaries
+    download_linux
 fi
 
 VIRTIOFSD="$WORKLOADS_DIR/virtiofsd"
diff --git a/scripts/run_metrics.sh b/scripts/run_metrics.sh
index 24deb7cfe..f244eb62d 100755
--- a/scripts/run_metrics.sh
+++ b/scripts/run_metrics.sh
@@ -80,8 +80,8 @@ if [ "${TEST_ARCH}" == "aarch64" ]; then
     guestunmount "$FOCAL_OS_RAW_IMAGE_UPDATE_TOOL_ROOT_DIR"
 fi
 
-# Build custom kernel based on virtio-pmem and virtio-fs upstream patches
-build_custom_linux
+# Download prebuild linux binaries
+download_linux
 
 CFLAGS=""
 if [[ "${BUILD_TARGET}" == "${TEST_ARCH}-unknown-linux-musl" ]]; then
diff --git a/scripts/test-util.sh b/scripts/test-util.sh
index 53b6c5f1e..829b1b009 100644
--- a/scripts/test-util.sh
+++ b/scripts/test-util.sh
@@ -42,6 +42,7 @@ checkout_repo() {
     fi
 }
 
+# Not actively used by CI
 build_custom_linux() {
     ARCH=$(uname -m)
     SRCDIR=$PWD
@@ -130,6 +131,24 @@ download_hypervisor_fw() {
     popd || exit
 }
 
+download_linux() {
+    if [ -n "$AUTH_DOWNLOAD_TOKEN" ]; then
+        echo "Using authenticated download from GitHub"
+        KERNEL_URLS=$(curl --silent https://api.github.com/repos/cloud-hypervisor/linux/releases/latest \
+            --header "Authorization: Token $AUTH_DOWNLOAD_TOKEN" \
+            --header "X-GitHub-Api-Version: 2022-11-28" | grep "browser_download_url" | grep -o 'https://.*[^ "]')
+    else
+        echo "Using anonymous download from GitHub"
+        KERNEL_URLS=$(curl --silent https://api.github.com/repos/cloud-hypervisor/linux/releases/latest | grep "browser_download_url" | grep -o 'https://.*[^ "]')
+    fi
+    pushd "$WORKLOADS_DIR" || exit
+    for url in $KERNEL_URLS; do
+        wget --quiet "$url" || exit 1
+    done
+
+    popd || exit
+}
+
 download_ovmf() {
     OVMF_FW_TAG="ch-6624aa331f"
     OVMF_FW_URL="https://github.com/cloud-hypervisor/edk2/releases/download/$OVMF_FW_TAG/CLOUDHV.fd"