static int des3_ede_x86_setkey(struct crypto_tfm *tfm, const u8 *key,
			       unsigned int keylen)
{
	struct des3_ede_x86_ctx *ctx = crypto_tfm_ctx(tfm);
	u32 i, j, tmp;
	int err;

	/* Generate encryption context using generic implementation. */
	err = __des3_ede_setkey(ctx->enc_expkey, &tfm->crt_flags, key, keylen);
	if (err < 0)
		return err;

	/* Fix encryption context for this implementation and form decryption
	 * context. */
	j = DES3_EDE_EXPKEY_WORDS - 2;
	for (i = 0; i < DES3_EDE_EXPKEY_WORDS; i += 2, j -= 2) {
		tmp = ror32(ctx->enc_expkey[i + 1], 4);
		ctx->enc_expkey[i + 1] = tmp;

		ctx->dec_expkey[j + 0] = ctx->enc_expkey[i + 0];
		ctx->dec_expkey[j + 1] = tmp;
	}

	return 0;
}

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