diff options
Diffstat (limited to '0003-arch-Kconfig-Default-to-maximum-amount-of-ASLR-bits.patch')
| -rw-r--r-- | 0003-arch-Kconfig-Default-to-maximum-amount-of-ASLR-bits.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/0003-arch-Kconfig-Default-to-maximum-amount-of-ASLR-bits.patch b/0003-arch-Kconfig-Default-to-maximum-amount-of-ASLR-bits.patch new file mode 100644 index 000000000000..9223dae367f2 --- /dev/null +++ b/0003-arch-Kconfig-Default-to-maximum-amount-of-ASLR-bits.patch @@ -0,0 +1,36 @@ +From e48fc436c0546b349d510ba457097bd99f3f526c Mon Sep 17 00:00:00 2001 +From: "Jan Alexander Steffens (heftig)" <heftig@archlinux.org> +Date: Sat, 13 Jan 2024 15:29:25 +0100 +Subject: [PATCH 3/4] 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(-) + +diff --git a/arch/Kconfig b/arch/Kconfig +index 30f793027..318a4e750 100644 +--- a/arch/Kconfig ++++ b/arch/Kconfig +@@ -1033,7 +1033,7 @@ 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 +@@ -1067,7 +1067,7 @@ 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 +-- +2.45.1 + |