Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 37/93] efi: Add a sanity check to efivar_store_raw() | Date | Thu, 19 Mar 2020 13:59:41 +0100 |
| |
From: Vladis Dronov <vdronov@redhat.com>
commit d6c066fda90d578aacdf19771a027ed484a79825 upstream.
Add a sanity check to efivar_store_raw() the same way efivar_{attr,size,data}_read() and efivar_show_raw() have it.
Signed-off-by: Vladis Dronov <vdronov@redhat.com> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200305084041.24053-3-vdronov@redhat.com Link: https://lore.kernel.org/r/20200308080859.21568-25-ardb@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/firmware/efi/efivars.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/firmware/efi/efivars.c +++ b/drivers/firmware/efi/efivars.c @@ -272,6 +272,9 @@ efivar_store_raw(struct efivar_entry *en u8 *data; int err; + if (!entry || !buf) + return -EINVAL; + if (is_compat()) { struct compat_efi_variable *compat;
| |