static int cx24116_diseqc_send_burst(struct dvb_frontend *fe,
	fe_sec_mini_cmd_t burst)
{
	struct cx24116_state *state = fe->demodulator_priv;
	int ret;

	dprintk("%s(%d) toneburst=%d\n", __func__, burst, toneburst);

	/* DiSEqC burst */
	if (burst == SEC_MINI_A)
		state->dsec_cmd.args[CX24116_DISEQC_BURST] =
			CX24116_DISEQC_MINI_A;
	else if (burst == SEC_MINI_B)
		state->dsec_cmd.args[CX24116_DISEQC_BURST] =
			CX24116_DISEQC_MINI_B;
	else
		return -EINVAL;

	/* DiSEqC toneburst */
	if (toneburst != CX24116_DISEQC_MESGCACHE)
		/* Burst is cached */
		return 0;

	/* Burst is to be sent with cached message */

	/* Wait for LNB ready */
	ret = cx24116_wait_for_lnb(fe);
	if (ret != 0)
		return ret;

	/* Wait for voltage/min repeat delay */
	msleep(100);

	/* Command */
	ret = cx24116_cmd_execute(fe, &state->dsec_cmd);
	if (ret != 0)
		return ret;

	/*
	 * Wait for send
	 *
	 * Eutelsat spec:
	 * >15ms delay          + (XXX determine if FW does this, see set_tone)
	 *  13.5ms per byte     +
	 * >15ms delay          +
	 *  12.5ms burst        +
	 * >15ms delay            (XXX determine if FW does this, see set_tone)
	 */
	msleep((state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60);

	return 0;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.