From 333af0092a7da2471f30689aac8c52ff2f5d2e4c Mon Sep 17 00:00:00 2001 From: Alexander Popov Date: Fri, 2 Sep 2022 18:14:28 +0300 Subject: [PATCH] Update the README --- README.md | 46 ++++++++++++++++++++++++++++++++-------------- 1 file changed, 32 insertions(+), 14 deletions(-) diff --git a/README.md b/README.md index ef1f3d2..8469885 100644 --- a/README.md +++ b/README.md @@ -89,11 +89,12 @@ CONFIG_DEVMEM | is not set | kspp | cut_atta ## Example output for `Fedora 34` kernel config ``` -$ ./bin/kconfig-hardened-check -c /boot/config-5.16.20-100.fc34.x86_64 -l /proc/cmdline -[+] Kconfig file to check: /boot/config-5.16.20-100.fc34.x86_64 +$ ./bin/kconfig-hardened-check -c /boot/config-5.19.4-200.fc36.x86_64 -l /proc/cmdline +[+] Kconfig file to check: /boot/config-5.19.4-200.fc36.x86_64 [+] Kernel cmdline file to check: /proc/cmdline [+] Detected architecture: X86_64 -[+] Detected kernel version: 5.16 +[+] Detected kernel version: 5.19 +[+] Detected compiler: GCC 120201 ========================================================================================================================= option name | type |desired val | decision | reason | check result ========================================================================================================================= @@ -111,14 +112,13 @@ CONFIG_RANDOMIZE_BASE |kconfig| y |defconfig | self_p CONFIG_VMAP_STACK |kconfig| y |defconfig | self_protection | OK CONFIG_MICROCODE |kconfig| y |defconfig | self_protection | OK CONFIG_RETPOLINE |kconfig| y |defconfig | self_protection | OK -CONFIG_X86_SMAP |kconfig| y |defconfig | self_protection | OK +CONFIG_X86_SMAP |kconfig| y |defconfig | self_protection | OK: version >= 5.19 CONFIG_SYN_COOKIES |kconfig| y |defconfig | self_protection | OK CONFIG_X86_UMIP |kconfig| y |defconfig | self_protection | OK CONFIG_PAGE_TABLE_ISOLATION |kconfig| y |defconfig | self_protection | OK CONFIG_RANDOMIZE_MEMORY |kconfig| y |defconfig | self_protection | OK CONFIG_INTEL_IOMMU |kconfig| y |defconfig | self_protection | OK CONFIG_AMD_IOMMU |kconfig| y |defconfig | self_protection | OK -CONFIG_SECURITY_DMESG_RESTRICT |kconfig| y | kspp | self_protection | FAIL: "is not set" CONFIG_BUG_ON_DATA_CORRUPTION |kconfig| y | kspp | self_protection | OK CONFIG_DEBUG_WX |kconfig| y | kspp | self_protection | OK CONFIG_SCHED_STACK_END_CHECK |kconfig| y | kspp | self_protection | OK @@ -135,8 +135,9 @@ CONFIG_GCC_PLUGIN_LATENT_ENTROPY |kconfig| y | kspp | self_p CONFIG_KFENCE |kconfig| y | kspp | self_protection | OK CONFIG_WERROR |kconfig| y | kspp | self_protection | FAIL: "is not set" CONFIG_IOMMU_DEFAULT_DMA_STRICT |kconfig| y | kspp | self_protection | FAIL: "is not set" +CONFIG_IOMMU_DEFAULT_PASSTHROUGH |kconfig| is not set | kspp | self_protection | OK CONFIG_ZERO_CALL_USED_REGS |kconfig| y | kspp | self_protection | FAIL: "is not set" -CONFIG_GCC_PLUGIN_RANDSTRUCT |kconfig| y | kspp | self_protection | FAIL: "is not set" +CONFIG_RANDSTRUCT_FULL |kconfig| y | kspp | self_protection | FAIL: "is not set" CONFIG_HARDENED_USERCOPY |kconfig| y | kspp | self_protection | OK CONFIG_HARDENED_USERCOPY_FALLBACK |kconfig| is not set | kspp | self_protection | OK: not found CONFIG_HARDENED_USERCOPY_PAGESPAN |kconfig| is not set | kspp | self_protection | OK: not found @@ -144,10 +145,10 @@ CONFIG_MODULE_SIG |kconfig| y | kspp | self_p CONFIG_MODULE_SIG_ALL |kconfig| y | kspp | self_protection | OK CONFIG_MODULE_SIG_SHA512 |kconfig| y | kspp | self_protection | OK CONFIG_MODULE_SIG_FORCE |kconfig| y | kspp | self_protection | FAIL: "is not set" -CONFIG_INIT_STACK_ALL_ZERO |kconfig| y | kspp | self_protection | FAIL: not found +CONFIG_INIT_STACK_ALL_ZERO |kconfig| y | kspp | self_protection | FAIL: "is not set" CONFIG_INIT_ON_FREE_DEFAULT_ON |kconfig| y | kspp | self_protection | FAIL: "is not set" CONFIG_GCC_PLUGIN_STACKLEAK |kconfig| y | kspp | self_protection | FAIL: "is not set" -CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT |kconfig| y | kspp | self_protection | FAIL: "is not set" +CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT |kconfig| y | kspp | self_protection | OK CONFIG_SCHED_CORE |kconfig| y | kspp | self_protection | OK CONFIG_DEFAULT_MMAP_MIN_ADDR |kconfig| 65536 | kspp | self_protection | OK CONFIG_UBSAN_BOUNDS |kconfig| y |maintainer| self_protection | FAIL: not found @@ -157,18 +158,19 @@ CONFIG_DEBUG_VIRTUAL |kconfig| y | clipos | self_p CONFIG_STATIC_USERMODEHELPER |kconfig| y | clipos | self_protection | FAIL: "is not set" CONFIG_EFI_DISABLE_PCI_DMA |kconfig| y | clipos | self_protection | FAIL: "is not set" CONFIG_SLAB_MERGE_DEFAULT |kconfig| is not set | clipos | self_protection | OK -CONFIG_RANDOM_TRUST_BOOTLOADER |kconfig| is not set | clipos | self_protection | OK +CONFIG_RANDOM_TRUST_BOOTLOADER |kconfig| is not set | clipos | self_protection | FAIL: "y" CONFIG_RANDOM_TRUST_CPU |kconfig| is not set | clipos | self_protection | FAIL: "y" -CONFIG_GCC_PLUGIN_RANDSTRUCT_PERFORMANCE|kconfig| is not set | clipos | self_protection | FAIL: CONFIG_GCC_PLUGIN_RANDSTRUCT not "y" +CONFIG_RANDSTRUCT_PERFORMANCE |kconfig| is not set | clipos | self_protection | FAIL: CONFIG_RANDSTRUCT_FULL not "y" CONFIG_STACKLEAK_METRICS |kconfig| is not set | clipos | self_protection | FAIL: CONFIG_GCC_PLUGIN_STACKLEAK not "y" CONFIG_STACKLEAK_RUNTIME_DISABLE |kconfig| is not set | clipos | self_protection | FAIL: CONFIG_GCC_PLUGIN_STACKLEAK not "y" CONFIG_INTEL_IOMMU_DEFAULT_ON |kconfig| y | clipos | self_protection | FAIL: "is not set" CONFIG_INTEL_IOMMU_SVM |kconfig| y | clipos | self_protection | OK CONFIG_RESET_ATTACK_MITIGATION |kconfig| y | my | self_protection | FAIL: "is not set" -CONFIG_SLS |kconfig| y | my | self_protection | FAIL: not found +CONFIG_SLS |kconfig| y | my | self_protection | OK CONFIG_AMD_IOMMU_V2 |kconfig| y | my | self_protection | FAIL: "m" CONFIG_SECURITY |kconfig| y |defconfig | security_policy | OK CONFIG_SECURITY_YAMA |kconfig| y | kspp | security_policy | OK +CONFIG_SECURITY_LANDLOCK |kconfig| y | kspp | security_policy | OK CONFIG_SECURITY_SELINUX_DISABLE |kconfig| is not set | kspp | security_policy | OK CONFIG_SECURITY_LOCKDOWN_LSM |kconfig| y | clipos | security_policy | OK CONFIG_SECURITY_LOCKDOWN_LSM_EARLY |kconfig| y | clipos | security_policy | OK @@ -181,6 +183,7 @@ CONFIG_BPF_UNPRIV_DEFAULT_OFF |kconfig| y |defconfig |cut_att CONFIG_SECCOMP |kconfig| y |defconfig |cut_attack_surface| OK CONFIG_SECCOMP_FILTER |kconfig| y |defconfig |cut_attack_surface| OK CONFIG_STRICT_DEVMEM |kconfig| y |defconfig |cut_attack_surface| OK +CONFIG_SECURITY_DMESG_RESTRICT |kconfig| y | kspp |cut_attack_surface| FAIL: "is not set" CONFIG_ACPI_CUSTOM_METHOD |kconfig| is not set | kspp |cut_attack_surface| OK CONFIG_COMPAT_BRK |kconfig| is not set | kspp |cut_attack_surface| OK CONFIG_DEVKMEM |kconfig| is not set | kspp |cut_attack_surface| OK: not found @@ -192,7 +195,7 @@ CONFIG_PROC_KCORE |kconfig| is not set | kspp |cut_att CONFIG_LEGACY_PTYS |kconfig| is not set | kspp |cut_attack_surface| OK CONFIG_HIBERNATION |kconfig| is not set | kspp |cut_attack_surface| FAIL: "y" CONFIG_IA32_EMULATION |kconfig| is not set | kspp |cut_attack_surface| FAIL: "y" -CONFIG_X86_X32 |kconfig| is not set | kspp |cut_attack_surface| OK +CONFIG_X86_X32 |kconfig| is not set | kspp |cut_attack_surface| OK: not found CONFIG_MODIFY_LDT_SYSCALL |kconfig| is not set | kspp |cut_attack_surface| FAIL: "y" CONFIG_OABI_COMPAT |kconfig| is not set | kspp |cut_attack_surface| OK: not found CONFIG_X86_MSR |kconfig| is not set | kspp |cut_attack_surface| FAIL: "y" @@ -242,7 +245,7 @@ CONFIG_DRM_LEGACY |kconfig| is not set |maintainer|cut_att CONFIG_FB |kconfig| is not set |maintainer|cut_attack_surface| FAIL: "y" CONFIG_VT |kconfig| is not set |maintainer|cut_attack_surface| FAIL: "y" CONFIG_BLK_DEV_FD |kconfig| is not set |maintainer|cut_attack_surface| FAIL: "m" -CONFIG_BLK_DEV_FD_RAWCMD |kconfig| is not set |maintainer|cut_attack_surface| OK: not found +CONFIG_BLK_DEV_FD_RAWCMD |kconfig| is not set |maintainer|cut_attack_surface| OK CONFIG_AIO |kconfig| is not set |grapheneos|cut_attack_surface| FAIL: "y" CONFIG_STAGING |kconfig| is not set | clipos |cut_attack_surface| FAIL: "y" CONFIG_KSM |kconfig| is not set | clipos |cut_attack_surface| FAIL: "y" @@ -272,9 +275,24 @@ CONFIG_INPUT_EVBUG |kconfig| is not set | my |cut_att CONFIG_KGDB |kconfig| is not set | my |cut_attack_surface| FAIL: "y" CONFIG_INTEGRITY |kconfig| y |defconfig | harden_userspace | OK CONFIG_ARCH_MMAP_RND_BITS |kconfig| 32 | clipos | harden_userspace | FAIL: "28" +rodata |cmdline| 1 |defconfig | self_protection | OK: rodata not found +init_on_alloc |cmdline| 1 | kspp | self_protection | FAIL: not found +init_on_free |cmdline| 1 | kspp | self_protection | FAIL: not found +slab_nomerge |cmdline| | kspp | self_protection | OK: CONFIG_SLAB_MERGE_DEFAULT "is not set" +iommu.strict |cmdline| 1 | kspp | self_protection | FAIL: not found +iommu.passthrough |cmdline| 0 | kspp | self_protection | OK: CONFIG_IOMMU_DEFAULT_PASSTHROUGH "is not set" +nokaslr |cmdline| is not set | kspp | self_protection | OK: not found +hardened_usercopy |cmdline| 1 | kspp | self_protection | OK: CONFIG_HARDENED_USERCOPY "y" +slab_common.usercopy_fallback |cmdline| 0 | kspp | self_protection | OK: CONFIG_HARDENED_USERCOPY_FALLBACK not found +randomize_kstack_offset |cmdline| 1 | kspp | self_protection | OK: CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT "y" pti |cmdline| on | kspp | self_protection | FAIL: not found +page_alloc.shuffle |cmdline| 1 | clipos | self_protection | FAIL: not found +nosmep |cmdline| is not set | my | self_protection | OK: not found +nosmap |cmdline| is not set | my | self_protection | OK: not found +vsyscall |cmdline| none | kspp |cut_attack_surface| FAIL: not found +debugfs |cmdline| off | grsec |cut_attack_surface| FAIL: not found -[+] Config check is finished: 'OK' - 82 / 'FAIL' - 94 +[+] Config check is finished: 'OK' - 94 / 'FAIL' - 99 ``` ## kconfig-hardened-check versioning -- 2.31.1