static int tea_setkey(struct crypto_tfm *tfm, const u8 *in_key,
		      unsigned int key_len)
{
	struct tea_ctx *ctx = crypto_tfm_ctx(tfm);
	const __le32 *key = (const __le32 *)in_key;

	ctx->KEY[0] = le32_to_cpu(key[0]);
	ctx->KEY[1] = le32_to_cpu(key[1]);
	ctx->KEY[2] = le32_to_cpu(key[2]);
	ctx->KEY[3] = le32_to_cpu(key[3]);

	return 0; 

}

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