← All Kali Issues
RTL-SDR

Cannot access device

H Hardware Medium

🔴 Error Message

RTL-SDR dongle permission denied or busy

📖 What This Means

DVB-T kernel module blocking access.

🔧 Step-by-Step Fix

  1. Blacklist driver: echo "blacklist dvb_usb_rtl28xxu" | sudo tee /etc/modprobe.d/blacklist-rtlsdr.conf
  2. Unload: sudo rmmod dvb_usb_rtl28xxu
  3. Verify: rtl_test
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