IBM reported that;
Media Manager IO termination module, ICYPGAD, may touch storage in the MMIB after calling the user's DIE exit.
This may cause a program check and then S0C4 abend occurr if the user has asynchronously closed or disconnected the data set.
Does CA Compress Data Compression use the DFSMS Media Manager?
CA Compress Data Compression does not utilize IBM DFSMS Media Manager.
So there is no effect on this product.
IBM APAR OA54289 (PTF UA94418, UA94419, UA94417) is provided as a solution to this problem.