A CTF styled Poc to extract a secretflag from the kernel space using spectre v1

1. Install linux headers sudo apt-get install linux-headers-$(uname -r)

2. Make

3. sudo insmod spectreModule.ko

4. cat /proc/leakSecretByteAddress to make sure that address is being returned

5. Run precompile ./read to verify the secret byte is leaked from kernel space

Write your own code to leak the secret byte or the whole secret string with the help of skeletel.c