Compile and install newest kernel on Debian

Install some required packages:

sudo apt update
sudo apt install build-essential linux-headers-$(uname -r)

Download the sources:

mkdir work && cd work
wget https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.7.tar.xz
tar -xvf linux-6.7.tar.xz
cd linux-6.7/

Copy current config:

cp /boot/config-`uname -r` .config

Install some prerequisites

sudo apt install libncurses5-dev dwarves
make menuconfig

Do your chooses and next compile and install the kernel, 8 is the number of CPUs for parralel build:

make -j8
sudo make -j8 modules_install
sudo make -j8 install

Once it is done - reboot:

reboot