| 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 |
| |
