int __camellia_setkey(struct camellia_ctx *cctx, const unsigned char *key,
		      unsigned int key_len, u32 *flags)
{
	if (key_len != 16 && key_len != 24 && key_len != 32) {
		*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
		return -EINVAL;
	}

	cctx->key_length = key_len;

	switch (key_len) {
	case 16:
		camellia_setup128(key, cctx->key_table);
		break;
	case 24:
		camellia_setup192(key, cctx->key_table);
		break;
	case 32:
		camellia_setup256(key, cctx->key_table);
		break;
	}

	return 0;
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.