File 0016-commands-setpci-Restrict-setpci-command-when-locked-.patch of Package grub2.19106
From df848ac98717f0b5f43a2cb92252e2562a1538d1 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 16/45] 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>
---
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 d5bc97d60..fa2ba7d89 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)
--
2.26.2
