KB4528491 - FIX: Access violation occurs when you call HkError.Throw() in SQL Server 2019

Applies to: SQL Server 2019 on LinuxSQL Server 2019 on Windows

Symptoms


Assume that you enable HkTempdb mode by using ALTER SERVER Data Definition Language (DDL) in SQL Server 2019. You may notice that an access violation occurs when you try to internally fetch the execution context from the Transport Layer Security (TLS) by calling HkError.Throw() in an out of memory (OOM) scenario.

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 thefollowing cumulative update for SQL Server:
Aboutcumulative updates for SQL Server:
Each new cumulativeupdate for SQL Server contains all the hotfixes and all the security fixes thatwere included with the previous cumulative update. Check out the latestcumulative updates for SQL Server:

References


Learn about the terminology that Microsoft uses to describe software updates.