Note:
It is important to understand that all bodies are different and all injuries are different. My reason for these posts is to possibly open you eyes to alternative ideas for therapy. It is NOT to diagnose YOUR injuries. If you have similar pains, you should talk to a professional to verify that there is not further damage and you will not be causing permanent injury by treating it in some way.
Crossfit has a huge potential for injury, as it does for amazing results. Be smart with your training and you will last longer as an athlete and a human.

The problem:

I have not had any issues personally but just like the other injuries i have seen this come up over and over.  I have seen it mainly come up from massive amounts of pullups.  I think it is a factor of the constant downward jolt you get from doing butterfly (not a good idea unless competing) and the same jolt that a newbie gets when learning he kipping pullup.  I think this ends up being a purely tendonitis (overuse) issue.

The fix:

Along with ice and ice massage which i forgot to mention in the knee post.  Ice massage is helpful for just about any injury you can think of so don’t forget about it.  I think take a couple weeks off pullups can heal this.  Also try massage and trigger point work.  After 2 weeks off be smart about reintegrating pullups into your program.  Sorry for the lack of details here but i think it is a pretty simple injury to fix so don’t over think it.