# The SSHD daemon unexpectedly exits on Multi-Domain Log Server (MLM) after SSH session ends

**Product** Multi-Domain Security Management  
**Version** R81.10 (EOS), R81.20, R82  
**OS** Gaia  
**Platform** Smart-1  
**Last Modified** 2026-05-26

## Symptoms

- The process unexpectedly exits when Secure Shell (SSH) connections end; it could be user logout, automated tool disconnection, or network issues.  
- A core dump file is generated for the Secure Shell Daemon (sshd) process on the Multi-Domain Log Server.

## Cause

The Secure Shell Daemon (SSHD) unexpectedly exits during memory cleanup when SSH connections end. The cleanup function attempts to access empty or invalid memory areas without proper validation, resulting in a segmentation fault and core dump.

## Solution

This problem was fixed. The fix is included in:

- [Jumbo Hotfix Accumulator for R82](https://sc1.checkpoint.com/documents/Jumbo_HFA/R82/Default.htm) starting from Take 103  
- [Jumbo Hotfix Accumulator for R81.20](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.20/Default.htm) starting from Take 126

If you choose not to upgrade, Check Point can supply a **Hotfix**. [Contact Check Point Support](https://www.checkpoint.com/support-services/.contact-support/) to get a Hotfix for this issue.

A Support Engineer will ensure the Hotfix is compatible with your environment before providing it.

For faster resolution and verification, please collect [CPinfo files](http://supportcontent.checkpoint.com/solutions?id=sk92739) from the Security Management Server and Security Gateways involved in the case.

**Hotfix installation instructions:**

Refer to [sk168597 - How to install a Hotfix](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk168597).

#### NOTE

This solution has been verified for the specific scenario described by the combination of Product, Version, and Symptoms. It may not work in other scenarios.

## Article Properties

**Access Level** General  
**Status** Approved by TAC  
**Date Created** 2025-09-29  
**Last Modified** 2026-05-26