Maintainers for nvidia-kernel-source are Debian NVIDIA Maintainers <pkg-nvidia-devel@lists.alioth.debian.org>.
You may want to refer to the following packages that are part of the same source: firmware-nvidia-gsp, libcuda1, libcuda1-i386, libcudadebugger1, libegl-nvidia0, libegl1-nvidia, libgl1-nvidia-glvnd-glx, libgl1-nvidia-glx, libgles-nvidia1, libgles-nvidia2, libglx-nvidia0, libnvcuvid1, libnvidia-allocator1, libnvidia-api1, libnvidia-cbl, libnvidia-cfg1, libnvidia-compiler, libnvidia-eglcore, libnvidia-encode1, libnvidia-fatbinaryloader, libnvidia-fbc1, libnvidia-glcore, libnvidia-glvkspirv, libnvidia-gpucomp, libnvidia-ifr1, libnvidia-ml1, libnvidia-ngx1, libnvidia-nvvm4, libnvidia-opticalflow1, libnvidia-pkcs11-openssl3, libnvidia-ptxjitcompiler1, libnvidia-rtcore, libnvoptix1, nvidia-alternative, nvidia-cuda-mps, nvidia-detect, nvidia-driver, nvidia-driver-bin, nvidia-driver-full, nvidia-driver-libs, nvidia-driver-libs-i386, nvidia-driver-libs-nonglvnd, nvidia-driver-libs-nonglvnd-i386, nvidia-egl-common, nvidia-egl-icd, nvidia-kernel-dkms, nvidia-kernel-support, nvidia-legacy-check, nvidia-libopencl1, nvidia-nonglvnd-vulkan-icd, nvidia-opencl-common, nvidia-opencl-icd, nvidia-powerd, nvidia-smi, nvidia-suspend-common, nvidia-vdpau-driver, nvidia-vulkan-common, nvidia-vulkan-icd, xserver-xorg-video-nvidia.
You might like to refer to the nvidia-kernel-source package page, to the Package Tracking System, or to the source package src:nvidia-graphics-drivers's bug page.
If you find a bug not listed here, please report it.