This might not be super useful if you don’t write code but I always found the contest submissions fun to read and try to figure out for the https://www.underhanded-c.org/ contest.
They break down and explain the runner up and finalist for each year and how the attack works. It’s usually something very subtle that most people wouldn’t catch.
This is possibly regarding the updated OS that’s on SteamDeck, which is not built on the same distro of Linux as the older SteamOS from back in the day.