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- From 58b77d4069823b44c5fa916fa8ddfc9c4cd51e02 Mon Sep 17 00:00:00 2001
- From: Javier Martinez Canillas <javierm@redhat.com>
- Date: Wed, 24 Feb 2021 22:59:59 +0100
- Subject: [PATCH] commands/setpci: Restrict setpci command when locked down
- This command can set PCI devices register values, which makes it dangerous
- in a locked down configuration. Restrict it so can't be used on this setup.
- Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
- Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
- Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
- ---
- grub-core/commands/setpci.c | 8 ++++----
- 1 file changed, 4 insertions(+), 4 deletions(-)
- diff --git a/grub-core/commands/setpci.c b/grub-core/commands/setpci.c
- index d5bc97d..fa2ba7d 100644
- --- a/grub-core/commands/setpci.c
- +++ b/grub-core/commands/setpci.c
- @@ -329,10 +329,10 @@ static grub_extcmd_t cmd;
-
- GRUB_MOD_INIT(setpci)
- {
- - cmd = grub_register_extcmd ("setpci", grub_cmd_setpci, 0,
- - N_("[-s POSITION] [-d DEVICE] [-v VAR] "
- - "REGISTER[=VALUE[:MASK]]"),
- - N_("Manipulate PCI devices."), options);
- + cmd = grub_register_extcmd_lockdown ("setpci", grub_cmd_setpci, 0,
- + N_("[-s POSITION] [-d DEVICE] [-v VAR] "
- + "REGISTER[=VALUE[:MASK]]"),
- + N_("Manipulate PCI devices."), options);
- }
-
- GRUB_MOD_FINI(setpci)
- --
- 2.14.2
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