linux-gkeop: Linux kernel for Google Container Engine systems - linux-raspi: Linux kernel for Raspberry Pi systems - linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors - linux-azure-5.4: Linux kernel for Microsoft Azure cloud systems - linux-gcp-5.4: Linux kernel for Google Cloud Platform systems - linux-raspi-5.4: Linux kernel for Raspberry Pi systems Several security issues were fixed in the Linux kernel.