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kernel-hardening-checker
Commit 1473f22e by Alexander Popov
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Add the 'dev.tty.legacy_tiocsti' check

parent f15fad74
Showing with 1 additions and 1 deletions
kernel_hardening_checker/checks.py
...@@ -582,7 +582,6 @@ def normalize_cmdline_options(option, value): ...@@ -582,7 +582,6 @@ def normalize_cmdline_options(option, value):
# vm.mmap_min_addr has a good value # vm.mmap_min_addr has a good value
# kernel.modules_disabled=1 # kernel.modules_disabled=1
# nosmt sysfs control file # nosmt sysfs control file
# dev.tty.legacy_tiocsti=0
# vm.mmap_rnd_bits=max (?) # vm.mmap_rnd_bits=max (?)
# kernel.sysrq=0 # kernel.sysrq=0
# abi.vsyscall32 (any value except 2) # abi.vsyscall32 (any value except 2)
...@@ -606,6 +605,7 @@ def add_sysctl_checks(l, arch): ...@@ -606,6 +605,7 @@ def add_sysctl_checks(l, arch):
l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.unprivileged_bpf_disabled', '1')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.unprivileged_bpf_disabled', '1')]
l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.kptr_restrict', '2')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.kptr_restrict', '2')]
l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.yama.ptrace_scope', '3')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.yama.ptrace_scope', '3')]
l += [SysctlCheck('cut_attack_surface', 'kspp', 'dev.tty.legacy_tiocsti', '0')]
l += [SysctlCheck('cut_attack_surface', 'kspp', 'vm.unprivileged_userfaultfd', '0')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'vm.unprivileged_userfaultfd', '0')]
# At first, it disabled unprivileged userfaultfd, # At first, it disabled unprivileged userfaultfd,
# and since v5.11 it enables unprivileged userfaultfd for user-mode only. # and since v5.11 it enables unprivileged userfaultfd for user-mode only.
......
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