From: Javier Martinez Canillas Date: Wed, 24 Feb 2021 21:59:59 +0000 (+0100) Subject: commands/setpci: Restrict setpci command when locked down X-Git-Tag: grub-2.06-rc1~133 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58b77d4069823b44c5fa916fa8ddfc9c4cd51e02;p=thirdparty%2Fgrub.git 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 Reviewed-by: Daniel Kiper --- diff --git a/grub-core/commands/setpci.c b/grub-core/commands/setpci.c index e966af080..8a0c91f02 100644 --- a/grub-core/commands/setpci.c +++ b/grub-core/commands/setpci.c @@ -328,10 +328,10 @@ 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)