diff options
| author | Kees Cook <keescook@chromium.org> | 2017-12-01 21:10:00 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-12-11 18:41:26 +0100 |
| commit | 0f7cda2b824bb2afe0d75716a8664117fa03f5e0 (patch) | |
| tree | cdc07e28d26c4f6aa8a57db99525b29dda0c8419 /lib/Kconfig.debug | |
| parent | Linux 4.15-rc3 (diff) | |
| download | linux-0f7cda2b824bb2afe0d75716a8664117fa03f5e0.tar.xz linux-0f7cda2b824bb2afe0d75716a8664117fa03f5e0.zip | |
Kconfig: Make STRICT_DEVMEM default-y on x86 and arm64
Distros have been shipping with CONFIG_STRICT_DEVMEM=y for years now. It
is probably time to flip this default for x86 and arm64.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Laura Abbott <labbott@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: kernel-hardening@lists.openwall.com
Link: http://lkml.kernel.org/r/20171201201000.GA44539@beast
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 947d3e2ed5c2..39b123d04a36 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1985,7 +1985,7 @@ config STRICT_DEVMEM bool "Filter access to /dev/mem" depends on MMU && DEVMEM depends on ARCH_HAS_DEVMEM_IS_ALLOWED - default y if TILE || PPC + default y if TILE || PPC || X86 || ARM64 ---help--- If this option is disabled, you allow userspace (root) access to all of memory, including kernel and userspace memory. Accidental |