Generando un nuevo kernel en Debian.

apt install build-essential

wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.2.11.tar.xz

tar axvf linux-5.2.11.tar.xz

cd /usr/src/linux-5.2.11

make distclean
make clean

cp /boot/config-4.19.0-5-amd64 .config

make oldconfig

# por la terminal.
make config

# por la terminal mediante ventanas ncurses.
make menuconfig

# mediante interfaz gráfica.
make xconfig

vim .config
CONFIG_DEBUG_INFO=n

vim .config
CONFIG_SYSTEM_TRUSTED_KEYS=""

make deb-pkg

root@avaldes:/usr/src# ll
total 225792
drwxrwxr-x 26 root root      4096 Sep  3 14:12 linux-5.2.11
-rw-r--r--  1 root root      4708 Sep  3 14:14 linux-5.2.11_5.2.11-1_amd64.buildinfo
-rw-r--r--  1 root root      2580 Sep  3 14:14 linux-5.2.11_5.2.11-1_amd64.changes
-rw-r--r--  1 root root    232631 Sep  3 11:13 linux-5.2.11_5.2.11-1.diff.gz
-rw-r--r--  1 root root      1093 Sep  3 11:13 linux-5.2.11_5.2.11-1.dsc
-rw-r--r--  1 root root 170851763 Sep  3 11:12 linux-5.2.11_5.2.11.orig.tar.gz
drwxr-xr-x  2 root root      4096 Sep  2 12:43 linux-config-4.19
-rw-r--r--  1 root root  11353104 Sep  3 14:13 linux-headers-5.2.11_5.2.11-1_amd64.deb
-rw-r--r--  1 root root  47533392 Sep  3 14:14 linux-image-5.2.11_5.2.11-1_amd64.deb
-rw-r--r--  1 root root   1059764 Sep  3 14:13 linux-libc-dev_5.2.11-1_amd64.deb
-rw-r--r--  1 root root    148764 Aug  7 22:02 linux-patch-4.19-rt.patch.xz

dpkg -i linux-image.deb

shutdown -r now

Referencia: https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html#s-common-building