V8.13.440.2025.11.19

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

.archive/0026-ciss-early-sysctl

@@ -0,0 +1,39 @@
+#!/bin/sh
+# bashsupport disable=BP5007
+# shellcheck disable=SC2249
+# shellcheck shell=sh
+
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-11-12; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
+# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
+# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-FileType: SOURCE
+# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
+# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
+# SPDX-PackageName: CISS.debian.live.builder
+# SPDX-Security-Contact: security@coresecret.eu
+
+# Purpose: Enforce early sysctls before services start.
+# Phase  : premount (executed by live-boot inside the initramfs).
+
+_SAVED_SET_OPTS="$(set +o)"
+
+set -eu
+
+printf "\e[95m[INFO] Starting             : [/usr/lib/live/boot/0026-ciss-early-sysctl.sh] \n\e[0m"
+
+echo 2 > /proc/sys/kernel/yama/ptrace_scope 2>/dev/null || true
+echo 1 > /proc/sys/kernel/unprivileged_bpf_disabled 2>/dev/null || true
+echo 0 > /proc/sys/fs/suid_dumpable 2>/dev/null || true
+echo 1 > /proc/sys/kernel/kexec_load_disabled 2>/dev/null || true
+echo 1 > /proc/sys/fs/protected_symlinks 2>/dev/null || true
+echo 1 > /proc/sys/fs/protected_hardlinks 2>/dev/null || true
+echo 2 > /proc/sys/fs/protected_regular 2>/dev/null || true
+echo 2 > /proc/sys/kernel/kptr_restrict 2>/dev/null || true
+
+eval "${_SAVED_SET_OPTS}"
+
+printf "\e[92m[INFO] Successfully applied : [/usr/lib/live/boot/0026-ciss-early-sysctl.sh] \n\e[0m"
+
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh