Table of Contents

SLNet deadlock in EPM setups

Affected versions

DataMiner 10.3.9 and 10.3.10

Cause

DataMiner 10.3.9 introduced some security enhancements on the deserialization of messages that may cause SLNet issues in EPM setups.

Fix

Install DataMiner 10.3.11/10.4.0.

Description

In EPM setups running DataMiner 10.3.9 or higher, forwarding GetLinkedDMAObjectRefTreesThroughTopologyBulkRequestMessage requests to other DataMiner Agents in the cluster can trigger a deadlock in SLNet, leading to various SLNet issues.

Propose changes