linux - What is a Kernel Space Shellcode? and How can we debug it? -

im beginner in linux , exploitation things.. , i'm trying figure out kernel space shellcode , how can debug .. in advance =)

shellcode machine code instructions contained in data. used when exploiting buffer overrun , other vulnerabilities cause data supply copied on existing code, or allow set return address buffer filled shellcode.

debugging kernel mode shellcode require kernel debugger. place breakpoint in vulnerable kernel code, perform exploit, , single step control transfers shellcode.