Symptoms
Assume that you query the sys.dm_db_persisted_sku_features Dynamic Management View (DMV) on SQL Server 2019. It performs frequent creation and deletion of tables from multiple concurrent sessions. In this situation, a NULL pointer dereference may occur and you may receive an access violation error.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Resolution
This issue is fixed in the following cumulative update for SQL Server:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
References
Learn about the terminology that Microsoft uses to describe software updates.
