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A common flaw in UEFI systems is a refusal to POST triggered by a malformed boot variable. Once in this state, machines may only be restored by reflashing their firmware with an external hardware device. While this is obviously a firmware bug, the serious nature of the outcome suggests that operating systems should filter their variable writes in order to prevent a malicious user from rendering the machine unusable. Signed-off-by: Matthew Garrett <mjg@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| dcdbas.c | ||
| dcdbas.h | ||
| dell_rbu.c | ||
| dmi_scan.c | ||
| dmi-id.c | ||
| dmi-sysfs.c | ||
| edd.c | ||
| efivars.c | ||
| iscsi_ibft_find.c | ||
| iscsi_ibft.c | ||
| Kconfig | ||
| Makefile | ||
| memmap.c | ||
| pcdp.c | ||
| pcdp.h | ||