Matthew Garrett 95f5e95f41 x86/msr: Restrict MSR access when the kernel is locked down ... Writing to MSRs should not be allowed if the kernel is locked down, since it could lead to execution of arbitrary code in kernel mode. Based on a patch by Kees Cook. Signed-off-by: Matthew Garrett <mjg59@google.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> cc: x86@kernel.org Signed-off-by: James Morris <jmorris@namei.org>		2019-08-19 21:54:16 -07:00
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Kconfig	lockdown: Enforce module signatures if the kernel is locked down	2019-08-19 21:54:15 -07:00
lockdown.c	x86/msr: Restrict MSR access when the kernel is locked down	2019-08-19 21:54:16 -07:00
Makefile