1From 58b77d4069823b44c5fa916fa8ddfc9c4cd51e02 Mon Sep 17 00:00:00 2001 2From: Javier Martinez Canillas <javierm@redhat.com> 3Date: Wed, 24 Feb 2021 22:59:59 +0100 4Subject: [PATCH] commands/setpci: Restrict setpci command when locked down 5 6This command can set PCI devices register values, which makes it dangerous 7in a locked down configuration. Restrict it so can't be used on this setup. 8 9Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> 10Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com> 11Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com> 12--- 13 grub-core/commands/setpci.c | 8 ++++---- 14 1 file changed, 4 insertions(+), 4 deletions(-) 15 16diff --git a/grub-core/commands/setpci.c b/grub-core/commands/setpci.c 17index d5bc97d..fa2ba7d 100644 18--- a/grub-core/commands/setpci.c 19+++ b/grub-core/commands/setpci.c 20@@ -329,10 +329,10 @@ static grub_extcmd_t cmd; 21 22 GRUB_MOD_INIT(setpci) 23 { 24- cmd = grub_register_extcmd ("setpci", grub_cmd_setpci, 0, 25- N_("[-s POSITION] [-d DEVICE] [-v VAR] " 26- "REGISTER[=VALUE[:MASK]]"), 27- N_("Manipulate PCI devices."), options); 28+ cmd = grub_register_extcmd_lockdown ("setpci", grub_cmd_setpci, 0, 29+ N_("[-s POSITION] [-d DEVICE] [-v VAR] " 30+ "REGISTER[=VALUE[:MASK]]"), 31+ N_("Manipulate PCI devices."), options); 32 } 33 34 GRUB_MOD_FINI(setpci) 35-- 362.14.2 37 38