From cda0e050fec85635986e9cfe991e26339bf305dc Mon Sep 17 00:00:00 2001 From: "Jan Alexander Steffens (heftig)" Date: Sat, 13 Jan 2024 15:29:25 +0100 Subject: arch/Kconfig: Default to maximum amount of ASLR bits To mitigate https://zolutal.github.io/aslrnt/; do this with a patch to avoid having to enable `CONFIG_EXPERT`. --- arch/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/Kconfig +++ b/arch/Kconfig @@ -1050,7 +1050,7 @@ config ARCH_MMAP_RND_BITS int "Number of bits to use for ASLR of mmap base address" if EXPERT range ARCH_MMAP_RND_BITS_MIN ARCH_MMAP_RND_BITS_MAX default ARCH_MMAP_RND_BITS_DEFAULT if ARCH_MMAP_RND_BITS_DEFAULT - default ARCH_MMAP_RND_BITS_MIN + default ARCH_MMAP_RND_BITS_MAX depends on HAVE_ARCH_MMAP_RND_BITS help This value can be used to select the number of bits to use to @@ -1084,7 +1084,7 @@ config ARCH_MMAP_RND_COMPAT_BITS int "Number of bits to use for ASLR of mmap base address for compatible applications" if EXPERT range ARCH_MMAP_RND_COMPAT_BITS_MIN ARCH_MMAP_RND_COMPAT_BITS_MAX default ARCH_MMAP_RND_COMPAT_BITS_DEFAULT if ARCH_MMAP_RND_COMPAT_BITS_DEFAULT - default ARCH_MMAP_RND_COMPAT_BITS_MIN + default ARCH_MMAP_RND_COMPAT_BITS_MAX depends on HAVE_ARCH_MMAP_RND_COMPAT_BITS help This value can be used to select the number of bits to use to