diff options
| -rw-r--r-- | lib/efi_loader/efi_var_common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_var_common.c b/lib/efi_loader/efi_var_common.c index 5ea1688dca3..c89a4fce4ff 100644 --- a/lib/efi_loader/efi_var_common.c +++ b/lib/efi_loader/efi_var_common.c @@ -497,6 +497,8 @@ efi_status_t efi_var_restore(struct efi_var_file *buf, bool safe) efi_status_t ret; if (buf->reserved || buf->magic != EFI_VAR_FILE_MAGIC || + buf->length > EFI_VAR_BUF_SIZE || + buf->length < sizeof(struct efi_var_file) || buf->crc32 != crc32(0, (u8 *)buf->var, buf->length - sizeof(struct efi_var_file))) { log_err("Invalid EFI variables file\n"); |