0043-commands-hdparm-Restrict-hdparm-command-when-locked-.patch 1.2 KB

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  1. From 5c97492a29c6063567b65ed1a069f5e6f4e211f0 Mon Sep 17 00:00:00 2001
  2. From: Javier Martinez Canillas <javierm@redhat.com>
  3. Date: Wed, 24 Feb 2021 12:59:29 +0100
  4. Subject: [PATCH] commands/hdparm: Restrict hdparm command when locked down
  5. The command can be used to get/set ATA disk parameters. Some of these can
  6. be dangerous since change the disk behavior. Restrict it when locked down.
  7. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
  8. Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
  9. Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
  10. ---
  11. grub-core/commands/hdparm.c | 6 +++---
  12. 1 file changed, 3 insertions(+), 3 deletions(-)
  13. diff --git a/grub-core/commands/hdparm.c b/grub-core/commands/hdparm.c
  14. index d3fa966..2e2319e 100644
  15. --- a/grub-core/commands/hdparm.c
  16. +++ b/grub-core/commands/hdparm.c
  17. @@ -436,9 +436,9 @@ static grub_extcmd_t cmd;
  18. GRUB_MOD_INIT(hdparm)
  19. {
  20. - cmd = grub_register_extcmd ("hdparm", grub_cmd_hdparm, 0,
  21. - N_("[OPTIONS] DISK"),
  22. - N_("Get/set ATA disk parameters."), options);
  23. + cmd = grub_register_extcmd_lockdown ("hdparm", grub_cmd_hdparm, 0,
  24. + N_("[OPTIONS] DISK"),
  25. + N_("Get/set ATA disk parameters."), options);
  26. }
  27. GRUB_MOD_FINI(hdparm)
  28. --
  29. 2.14.2