nixos/profiles/security.nix

   1 {
   2   pkgs,
   3   lib,
   4   config,
   5   ...
   6 }:
   7 with lib;
   8 {
   9   options = {
  10     coredumps = {
  11       enable = mkEnableOption "capturing core dumps";
  12       limit = mkOption {
  13         type = types.ints.positive;
  14         default = 1073741824 / 512; # 1G worth of 512-byte abstract disk blocks
  15         description = "Maximum size for core dumps, when enabled.";
  16       };
  17     };
  18     security.kernel.mitigations = mkOption {
  19       type = types.str;
  20       default = "auto,nosmt";
  21       example = "off";
  22       description = ''
  23         Control optional mitigations for CPU vulnerabilities.  This is a set of
  24         curated, arch-independent options, each of which is an aggregation of
  25         existing arch-specific options.
  26       '';
  27     };
  28   };
  29   config = lib.mkMerge [
  30     {
  31       boot.kernelPackages = mkDefault pkgs.linuxPackages;
  32       #boot.kernelPackages = pkgs.linuxPackages_latest;
  33       #boot.kernelPackages = pkgs.linuxPackages_hardened;
  34       #boot.kernelPackages = pkgs.linuxPackages_latest_hardened;
  35       #environment.memoryAllocator.provider = "libc";
  36       nix.settings.allowed-users = [ "@users" ];
  37       /*
  38         nix.settings.substituters = [
  39         "https://nix-community.cachix.org"
  40         ];
  41         nix.settings.trusted-public-keys = [
  42         "nix-community.cachix.org:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
  43         ];
  44       */
  45       nix.settings.trusted-users = [
  46         "root"
  47         "@wheel"
  48       ];
  49       networking.firewall.pingLimit = "--limit 60/minute --limit-burst 5";
  50       security.allowSimultaneousMultithreading = false;
  51       security.apparmor.enable = mkDefault true;
  52       security.forcePageTableIsolation = true;
  53       security.lockKernelModules = mkDefault true;
  54       security.protectKernelImage = true;
  55       security.virtualisation.flushL1DataCache = "always";
  56       # Only allow members of the wheel group to execute sudo by setting
  57       # the executable’s permissions accordingly.
  58       # This prevents users that are not members of wheel
  59       # from exploiting vulnerabilities in sudo such as CVE-2021-3156.
  60       security.sudo.execWheelOnly = true;
  61       boot.blacklistedKernelModules = [
  62         # Obscure network protocols
  63         "ax25"
  64         "netrom"
  65         "rose"
  66
  67         # Old or rare or insufficiently audited filesystems
  68         "adfs"
  69         "affs"
  70         "bfs"
  71         "befs"
  72         "cramfs"
  73         "efs"
  74         "erofs"
  75         "exofs"
  76         "freevxfs"
  77         "f2fs"
  78         "hfs"
  79         "hpfs"
  80         "jfs"
  81         "minix"
  82         "nilfs2"
  83         "ntfs"
  84         "omfs"
  85         "qnx4"
  86         "qnx6"
  87         "sysv"
  88         "ufs"
  89       ];
  90       # kernel-hardening-checker -c /proc/config.gz -l /proc/cmdline -s <(sudo sysctl -a) -m show_fail
  91       boot.kernel.sysctl = {
  92         # Mitigate kernel pointer leaks
  93         "kernel.kptr_restrict" = 2;
  94         # Restricts the kernel log to the CAP_SYSLOG capability
  95         "kernel.dmesg_restrict" = 1;
  96         # Prevent information leaks
  97         #kernel.printk = "3 3 3 3";
  98         # Restrict eBPF to the CAP_BPF capability
  99         # and enable JIT hardening techniques
 100         # such as constant blinding.
 101         "kernel.unprivileged_bpf_disabled" = 1;
 102         "net.core.bpf_jit_harden" = 2;
 103         # Restricts loading TTY line disciplines
 104         # to the CAP_SYS_MODULE capability to prevent
 105         # unprivileged attackers from loading vulnerable
 106         # line disciplines with the TIOCSETD ioctl
 107         "dev.tty.ldisc_autoload" = 0;
 108         # The userfaultfd() syscall is often abused to exploit
 109         # use-after-free flaws.
 110         # Due to this, this sysctl is used to restrict
 111         # this syscall to the CAP_SYS_PTRACE capability.
 112         "vm.unprivileged_userfaultfd" = 0;
 113         # kexec is a system call that is used
 114         # to boot another kernel during runtime.
 115         "kernel.kexec_load_disabled" = 1;
 116         # User namespaces are a feature in the kernel which aim to
 117         # improve sandboxing and make it easily accessible for
 118         # unprivileged users however, this feature exposes
 119         # significant kernel attack surface for privilege
 120         # escalation so this sysctl restricts the usage of user
 121         # namespaces to the CAP_SYS_ADMIN capability.
 122         "kernel.unprivileged_userns_clone" = 0;
 123         # Restricts all usage of performance events to the
 124         # CAP_PERFMON capability
 125         "kernel.perf_event_paranoid" = 3;
 126         # Helps protect against SYN flood attacks
 127         "net.ipv4.tcp_syncookies" = 1;
 128         # Protects against time-wait assassination
 129         # by dropping RST packets for sockets
 130         # in the time-wait state.
 131         "net.ipv4.tcp_rfc1337" = 1;
 132         # Disable ICMP redirect acceptance and sending to prevent
 133         # man-in-the-middle attacks and minimize information disclosure.
 134         "net.ipv4.conf.all.accept_redirects" = 0;
 135         "net.ipv4.conf.default.accept_redirects" = 0;
 136         "net.ipv4.conf.all.secure_redirects" = 0;
 137         "net.ipv4.conf.default.secure_redirects" = 0;
 138         "net.ipv6.conf.all.accept_redirects" = 0;
 139         "net.ipv6.conf.default.accept_redirects" = 0;
 140         "net.ipv4.conf.all.send_redirects" = 0;
 141         "net.ipv4.conf.default.send_redirects" = 0;
 142         # Disable source routing, a mechanism
 143         # that allows users to redirect network traffic.
 144         "net.ipv4.conf.all.accept_source_route" = 0;
 145         "net.ipv4.conf.default.accept_source_route" = 0;
 146         "net.ipv6.conf.all.accept_source_route" = 0;
 147         "net.ipv6.conf.default.accept_source_route" = 0;
 148         /*
 149           # Disable TCP SACK, which is commonly exploited
 150           # and unnecessary for many circumstances.
 151           # https://serverfault.com/questions/10955/when-to-turn-tcp-sack-off
 152           "net.ipv4.tcp_sack" = 0;
 153           "net.ipv4.tcp_dsack" = 0;
 154           "net.ipv4.tcp_fack" = 0;
 155         */
 156         # Generate a random IPv6 address
 157         "net.ipv6.conf.all.use_tempaddr" = mkForce 2;
 158         "net.ipv6.conf.default.use_tempaddr" = mkForce 2;
 159         # Restricts usage of ptrace to only processes
 160         # with the CAP_SYS_PTRACE capability
 161         "kernel.yama.ptrace_scope" = 2;
 162         # Do source validation by confirming reverse path
 163         "net.ipv4.conf.all.rp_filter" = 1;
 164         "net.ipv4.conf.default.rp_filter" = 1;
 165         # Any process which has changed privilege levels or is execute only will not be dumped.
 166         "fs.suid_dumpable" = 0;
 167         "fs.protected_fifos" = 2;
 168         "fs.protected_regular" = 2;
 169         # TIOCSTI is a dangerous legacy operation that can be disabled on most systems.
 170         "dev.tty.legacy_tiocsti" = 0;
 171         # User namespaces are used primarily for Linux containers. If containers are in use, this requirement is not applicable.
 172         #"user.max_user_namespaces" = mkDefault 0;
 173       };
 174       # DOC: https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html
 175       boot.kernelParams = [
 176         "oops=panic"
 177         #"quiet"
 178         #"loglevel=0"
 179         # Disable merging of slabs with similar size. May be necessary if there is
 180         # some reason to distinguish allocs to different slabs, especially in
 181         # hardened environments where the risk of heap overflows and layout control
 182         # by attackers can usually be frustrated by disabling merging. This will
 183         # reduce most of the exposure of a heap attack to a single cache (risks via
 184         # metadata attacks are mostly unchanged). Debug options disable merging on
 185         # their own.
 186         "slab_nomerge"
 187         # See slub_debug
 188         # https://gitlab.tails.boum.org/tails/tails/-/issues/19613#note_215741
 189         "slub_debug=FZ"
 190         # Control whether the page allocator should randomize its free lists.
 191         "page_alloc.shuffle=1"
 192         # Kernel detects whether your CPU model is vulnerable to issues that PTI mitigates
 193         # Disabling this feature removes hardening, but improves performance of system calls and interrupts.
 194         "pti=auto"
 195         # Controls the behavior of vsyscalls
 196         # (i.e. calls to fixed addresses of 0xffffffffff600x00 from legacy code).
 197         # Most statically-linked binaries and older versions of glibc use these calls.
 198         # With none, vsyscalls don't work at all.
 199         # This makes them quite hard to use for exploits but might break your system.
 200         "vsyscall=none"
 201         # Filesystem is not registered and clients get a -EPERM as result
 202         # when trying to register files or directories within debugfs.
 203         "debugfs=off"
 204         # Disabled because the wireguard module is not signed
 205         "module.sig_enforce=0"
 206         # Disable kernel features that allow userland to modify the running kernel
 207         # or to extract confidential information from the kernel.
 208         "lockdown=confidentiality"
 209         # https://www.kernel.org/doc/Documentation/x86/x86_64/boot-options.rst
 210         "mce=bootlog"
 211         "mitigations=${config.security.kernel.mitigations}" # kspp   | self_protection
 212         #"spectre_v2=on" # defconfig | self_protection
 213         #"spectre_v2_user=on" # defconfig | self_protection
 214         #"spec_store_bypass_disable=on" # defconfig | self_protection
 215         #"l1tf=on" # defconfig | self_protection
 216         #"mds=on" # defconfig | self_protection
 217         #"tsx_async_abort=on" # defconfig | self_protection
 218         #"srbds=on" # defconfig | self_protection
 219         #"mmio_stale_data=on" # defconfig | self_protection
 220         #"retbleed=on" # defconfig | self_protection
 221         #"spec_rstack_overflow=on" # defconfig | self_protection
 222         # Disable AVX to mitigate systems without microcode mitigation. No effect if the microcode mitigation is present. Known to cause crashes in userspace with buggy AVX enumeration.
 223         #"gather_data_sampling=force" # defconfig | self_protection
 224         # https://www.phoronix.com/news/randomize_kstack_offset-perf
 225         "randomize_kstack_offset=1" # kspp   | self_protection
 226         # See https://unix.stackexchange.com/questions/592538/what-are-the-implication-of-using-iommu-force-in-the-boot-kernel-options
 227         "iommu=force" # clipos  | self_protection
 228         # DMA unmap operations invalidate IOMMU hardware TLBs synchronously.
 229         "iommu.strict=1" # kspp   | self_protection
 230         "kfence.sample_interval=100" # a13xp0p0v | self_protection
 231         "kfence.deferrable=1"
 232
 233         # Unconditionally disables IA32 emulation
 234         # CompatibilityNode: steam-run-free needs it,
 235         # see https://github.com/NixOS/nixpkgs/pull/442783
 236         #"ia32_emulation=0" # a13xp0p0v |cut_attack_surface
 237
 238         # A bit too much
 239         # https://patchwork.kernel.org/project/linux-security-module/patch/20190626121943.131390-2-glider@google.com/#22731857
 240         #"init_on_alloc=1" #    kspp   | self_protection
 241         #"init_on_free=1" #    kspp   | self_protection
 242       ];
 243       programs.firejail = {
 244         enable = true;
 245       };
 246       services.journald.extraConfig = ''
 247         Compress=true
 248         MaxRetentionSec=1month
 249         Storage=persistent
 250         SystemMaxUse=100M
 251       '';
 252       systemd.coredump = {
 253         enable = mkDefault false;
 254         extraConfig = ''
 255           Compress=true
 256           DefaultLimitCORE=${toString config.coredumps.limit}:${toString config.coredumps.limit}
 257           MaxUse=${toString config.coredumps.limit}
 258           Storage=external
 259         '';
 260       };
 261       security.pam.loginLimits = [
 262         {
 263           domain = "*";
 264           item = "core";
 265           type = "-";
 266           value = toString config.coredumps.limit;
 267         }
 268       ];
 269       services.openssh = {
 270         # Avoid TOFU MITM by providing well known public keys here.
 271         knownHosts = {
 272           "git.sr.ht".hostNames = [ "git.sr.ht" ];
 273           "git.sr.ht".publicKey =
 274             "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMZvRd4EtM7R+IHVMWmDkVU3VLQTSwQDSAvW0t2Tkj60";
 275
 276           "github.com".hostNames = [ "github.com" ];
 277           "github.com".publicKey =
 278             "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl";
 279
 280           "gitlab.com".hostNames = [ "gitlab.com" ];
 281           "gitlab.com".publicKey =
 282             "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAfuCHKVTjquxvt6CM6tdG4SLp1Btn/nOeHHE5UOzRdf";
 283         };
 284         openFirewall = mkDefault true;
 285         settings = {
 286           Ciphers = [
 287             # Not hardware accelerated, but fast enough and somehow more secure
 288             # (packet sizes are encrypted and less vulnerable to timing attacks).
 289             "chacha20-poly1305@openssh.com"
 290             # A bit more throughput.
 291             "aes128-gcm@openssh.com"
 292             "aes256-gcm@openssh.com"
 293           ];
 294           KbdInteractiveAuthentication = mkDefault false;
 295           # Use key exchange algorithms recommended by `nixpkgs#ssh-audit`
 296           KexAlgorithms = [
 297             "curve25519-sha256"
 298             "curve25519-sha256@libssh.org"
 299             "diffie-hellman-group16-sha512"
 300             "diffie-hellman-group18-sha512"
 301             "sntrup761x25519-sha512@openssh.com"
 302           ];
 303           PasswordAuthentication = false;
 304           # Remove any remote gpg-agent's socket.
 305           StreamLocalBindUnlink = true;
 306           UseDns = mkDefault false;
 307           X11Forwarding = mkDefault false;
 308         };
 309       };
 310     }
 311     (mkIf (!config.systemd.coredump.enable) {
 312       systemd.settings.Manager = {
 313         DefaultLimitCORE = "0:0";
 314       };
 315       security.pam.loginLimits = [
 316         {
 317           domain = "*";
 318           item = "core";
 319           type = "-";
 320           value = "0";
 321         }
 322       ];
 323       # Explanation: to prevent the kernel from ever generating core dumps,
 324       # make it try to write to a nonexistent directory.
 325       # It doesn't work to specify /dev/null;
 326       # that will cause the kernel to *replace* /dev/null with the
 327       # core dump if a process running as root dumps core.
 328       boot.kernel.sysctl."kernel.core_pattern" = "/nonexistent/core";
 329     })
 330   ];
 331   /*
 332     TODO: https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project/Recommended_Settings
 333     =========================================================================================================================
 334                 option_name               | type  |desired_val | decision |      reason      | check_result
 335     =========================================================================================================================
 336     CONFIG_WERROR                           |kconfig|     y      |defconfig | self_protection  | FAIL: "is not set"
 337     CONFIG_X86_KERNEL_IBT                   |kconfig|     y      |defconfig | self_protection  | FAIL: "is not set"
 338     CONFIG_BUG_ON_DATA_CORRUPTION           |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 339     CONFIG_SHUFFLE_PAGE_ALLOCATOR           |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 340     CONFIG_DEBUG_VIRTUAL                    |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 341     CONFIG_DEBUG_SG                         |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 342     CONFIG_INIT_ON_ALLOC_DEFAULT_ON         |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 343     CONFIG_STATIC_USERMODEHELPER            |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 344     CONFIG_SECURITY_LOCKDOWN_LSM            |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 345     CONFIG_SECURITY_LOCKDOWN_LSM_EARLY      |kconfig|     y      |   kspp   | self_protection  | FAIL: is not found
 346     CONFIG_LOCK_DOWN_KERNEL_FORCE_CONFIDENTIALITY|kconfig|     y      |   kspp   | self_protection  | FAIL: is not found
 347     CONFIG_DEBUG_CREDENTIALS                |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 348     CONFIG_DEBUG_NOTIFIERS                  |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 349     CONFIG_KFENCE                           |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 350     CONFIG_KFENCE_SAMPLE_INTERVAL           |kconfig| is not off |a13xp0p0v | self_protection  | FAIL: CONFIG_KFENCE is not "y"
 351     CONFIG_RANDSTRUCT_FULL                  |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 352     CONFIG_RANDSTRUCT_PERFORMANCE           |kconfig| is not set |   kspp   | self_protection  | FAIL: CONFIG_RANDSTRUCT_FULL is not "y"
 353     CONFIG_GCC_PLUGIN_LATENT_ENTROPY        |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 354     CONFIG_MODULE_SIG                       |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 355     CONFIG_MODULE_SIG_ALL                   |kconfig|     y      |   kspp   | self_protection  | FAIL: is not found
 356     CONFIG_MODULE_SIG_SHA512                |kconfig|     y      |   kspp   | self_protection  | FAIL: is not found
 357     CONFIG_MODULE_SIG_FORCE                 |kconfig|     y      |   kspp   | self_protection  | FAIL: is not found
 358     CONFIG_INIT_ON_FREE_DEFAULT_ON          |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 359     CONFIG_EFI_DISABLE_PCI_DMA              |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 360     CONFIG_RESET_ATTACK_MITIGATION          |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 361     CONFIG_UBSAN_BOUNDS                     |kconfig|     y      |   kspp   | self_protection  | FAIL: is not found
 362     CONFIG_UBSAN_LOCAL_BOUNDS               |kconfig|     y      |   kspp   | self_protection  | FAIL: is not found
 363     CONFIG_UBSAN_TRAP                       |kconfig|     y      |   kspp   | self_protection  | FAIL: CONFIG_UBSAN_BOUNDS is not "y"
 364     CONFIG_UBSAN_SANITIZE_ALL               |kconfig|     y      |   kspp   | self_protection  | FAIL: CONFIG_UBSAN_BOUNDS is not "y"
 365     CONFIG_GCC_PLUGIN_STACKLEAK             |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 366     CONFIG_STACKLEAK_METRICS                |kconfig| is not set |   kspp   | self_protection  | FAIL: CONFIG_GCC_PLUGIN_STACKLEAK is not "y"
 367     CONFIG_STACKLEAK_RUNTIME_DISABLE        |kconfig| is not set |   kspp   | self_protection  | FAIL: CONFIG_GCC_PLUGIN_STACKLEAK is not "y"
 368     CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT  |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 369     CONFIG_CFI_CLANG                        |kconfig|     y      |   kspp   | self_protection  | FAIL: CONFIG_CC_IS_CLANG is not "y"
 370     CONFIG_CFI_PERMISSIVE                   |kconfig| is not set |   kspp   | self_protection  | FAIL: CONFIG_CC_IS_CLANG is not "y"
 371     CONFIG_DEFAULT_MMAP_MIN_ADDR            |kconfig|   65536    |   kspp   | self_protection  | FAIL: "4096"
 372     CONFIG_IOMMU_DEFAULT_DMA_STRICT         |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 373     CONFIG_INTEL_IOMMU_DEFAULT_ON           |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 374     CONFIG_SLS                              |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 375     CONFIG_INTEL_IOMMU_SVM                  |kconfig|     y      |   kspp   | self_protection  | FAIL: "is not set"
 376     CONFIG_AMD_IOMMU_V2                     |kconfig|     y      |   kspp   | self_protection  | FAIL: "m"
 377     CONFIG_SLAB_MERGE_DEFAULT               |kconfig| is not set |  clipos  | self_protection  | FAIL: "y"
 378     CONFIG_LIST_HARDENED                    |kconfig|     y      |a13xp0p0v | self_protection  | FAIL: is not found
 379     CONFIG_RANDOM_KMALLOC_CACHES            |kconfig|     y      |a13xp0p0v | self_protection  | FAIL: is not found
 380     CONFIG_SECURITY_SELINUX_DISABLE         |kconfig| is not set |   kspp   | security_policy  | FAIL: "y"
 381     CONFIG_SECURITY_SELINUX_BOOTPARAM       |kconfig| is not set |   kspp   | security_policy  | FAIL: "y"
 382     CONFIG_SECURITY_SELINUX_DEVELOP         |kconfig| is not set |   kspp   | security_policy  | FAIL: "y"
 383     CONFIG_SECURITY_WRITABLE_HOOKS          |kconfig| is not set |   kspp   | security_policy  | FAIL: "y"
 384     CONFIG_SECURITY_DMESG_RESTRICT          |kconfig|     y      |   kspp   |cut_attack_surface| FAIL: "is not set"
 385     CONFIG_ACPI_CUSTOM_METHOD               |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "m"
 386     CONFIG_BINFMT_MISC                      |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 387     CONFIG_INET_DIAG                        |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "m"
 388     CONFIG_KEXEC                            |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 389     CONFIG_PROC_KCORE                       |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 390     CONFIG_HIBERNATION                      |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 391     CONFIG_COMPAT                           |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 392     CONFIG_IA32_EMULATION                   |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 393     CONFIG_MODIFY_LDT_SYSCALL               |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 394     CONFIG_X86_MSR                          |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "m"
 395     CONFIG_MODULES                          |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 396     CONFIG_DEVMEM                           |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 397     CONFIG_LDISC_AUTOLOAD                   |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 398     CONFIG_X86_VSYSCALL_EMULATION           |kconfig| is not set |   kspp   |cut_attack_surface| FAIL: "y"
 399     CONFIG_KPROBE_EVENTS                    |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 400     CONFIG_UPROBE_EVENTS                    |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 401     CONFIG_GENERIC_TRACER                   |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 402     CONFIG_FUNCTION_TRACER                  |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 403     CONFIG_STACK_TRACER                     |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 404     CONFIG_BLK_DEV_IO_TRACE                 |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 405     CONFIG_PROC_PAGE_MONITOR                |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 406     CONFIG_CHECKPOINT_RESTORE               |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 407     CONFIG_USERFAULTFD                      |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 408     CONFIG_DEVPORT                          |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 409     CONFIG_DEBUG_FS                         |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 410     CONFIG_PUNIT_ATOM_DEBUG                 |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "m"
 411     CONFIG_ACPI_CONFIGFS                    |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "m"
 412     CONFIG_MTD_SLRAM                        |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "m"
 413     CONFIG_MTD_PHRAM                        |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "m"
 414     CONFIG_IO_URING                         |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 415     CONFIG_KCMP                             |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 416     CONFIG_RSEQ                             |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 417     CONFIG_PROVIDE_OHCI1394_DMA_INIT        |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 418     CONFIG_SUNRPC_DEBUG                     |kconfig| is not set |  grsec   |cut_attack_surface| FAIL: "y"
 419     CONFIG_FB                               |kconfig| is not set |maintainer|cut_attack_surface| FAIL: "y"
 420     CONFIG_VT                               |kconfig| is not set |maintainer|cut_attack_surface| FAIL: "y"
 421     CONFIG_BLK_DEV_FD                       |kconfig| is not set |maintainer|cut_attack_surface| FAIL: "m"
 422     CONFIG_STAGING                          |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 423     CONFIG_KSM                              |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 424     CONFIG_KALLSYMS                         |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 425     CONFIG_MAGIC_SYSRQ                      |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 426     CONFIG_KEXEC_FILE                       |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 427     CONFIG_USER_NS                          |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 428     CONFIG_X86_CPUID                        |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "m"
 429     CONFIG_X86_IOPL_IOPERM                  |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 430     CONFIG_ACPI_TABLE_UPGRADE               |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 431     CONFIG_EFI_CUSTOM_SSDT_OVERLAYS         |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 432     CONFIG_AIO                              |kconfig| is not set |  clipos  |cut_attack_surface| FAIL: "y"
 433     CONFIG_KPROBES                          |kconfig| is not set | lockdown |cut_attack_surface| FAIL: "y"
 434     CONFIG_BPF_SYSCALL                      |kconfig| is not set | lockdown |cut_attack_surface| FAIL: "y"
 435     CONFIG_IP_DCCP                          |kconfig| is not set |a13xp0p0v |cut_attack_surface| FAIL: "m"
 436     CONFIG_IP_SCTP                          |kconfig| is not set |a13xp0p0v |cut_attack_surface| FAIL: "m"
 437     CONFIG_FTRACE                           |kconfig| is not set |a13xp0p0v |cut_attack_surface| FAIL: "y"
 438     CONFIG_INPUT_EVBUG                      |kconfig| is not set |a13xp0p0v |cut_attack_surface| FAIL: "m"
 439     CONFIG_XFS_SUPPORT_V4                   |kconfig| is not set |a13xp0p0v |cut_attack_surface| FAIL: "y"
 440     CONFIG_TRIM_UNUSED_KSYMS                |kconfig|     y      |a13xp0p0v |cut_attack_surface| FAIL: "is not set"
 441     CONFIG_COREDUMP                         |kconfig| is not set |  clipos  | harden_userspace | FAIL: "y"
 442     CONFIG_ARCH_MMAP_RND_BITS               |kconfig|     32     |a13xp0p0v | harden_userspace | FAIL: "28"
 443     CONFIG_X86_USER_SHADOW_STACK            |kconfig|     y      |a13xp0p0v | harden_userspace | FAIL: is not found
 444   */
 445 }