grub/grub-core/loader/i386/efi
Matthew Garrett 76fb8e4341 Fix race in EFI validation
The Secure Boot code currently reads the kernel from disk, validates the
signature and then reads it from disk again. A sufficiently exciting storage
device could modify the kernel between these two events and trigger the
execution of an untrusted kernel. Avoid re-reading it in order to ensure
this isn't a problem, and in the process speed up boot by not reading the
kernel twice.
2016-01-05 14:14:54 -08:00
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linux.c Fix race in EFI validation 2016-01-05 14:14:54 -08:00