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By feeding more random bits into mmap allocation, the effectiveness of KASLR will be improved, making attacks trying to bypass address randomisation more difficult. Changed sysctl values are: vm.mmap_rnd_bits = 32 (default: 28) vm.mmap_rnd_compat_bits = 16 (default: 8) Signed-off-by: Peter Müller <peter.mueller@ipfire.org> Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>