┌──(kali㉿kali)-[~]
└─$ apt list --installed | grep realtek
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
firmware-realtek/kali-rolling,kali-rolling,now 20210208-4 all [installed]
┌──(kali㉿kali)-[~]
└─$ sudo apt install firmware-realtek
[sudo] password for kali:
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
firmware-realtek is already the newest version (20210208-4).
The following packages were automatically installed and are no longer required:
linux-image-5.10.0-kali2-amd64 linux-image-5.10.0-kali3-amd64
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 6 not upgraded.