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VMware ESXi 4.0 Patch ESXi400-201305401-SG: Updates Firmware (2044246)

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Product Version
ESXi 4.0
Patch Classification
See KB 2014447 if using Update Manager 5.0
Build Information
For build information, see KB 2044241.
Host Reboot Required
Virtual Machine Migration or Shutdown Required
PRs Fixed
959172, 968438, 926692
Affected Hardware
Affected Software
Related CVE numbers


Summaries and Symptoms

This patch resolves the following issue:

  • The VMkernel multiextent module is no longer loaded by default after you apply this patch. However, this might cause virtual machines that use the 2GB sparse virtual machine disk (VMDK) file format not to power on.
    To work with such virtual machines, you must load the VMkernel multiextent module manually by running the following commands:
    • To load the VMkernel multiextent module:
      # esxcfg-module multiextent
    • To unload the VMkernel multiextent module:
      # esxcfg-module –u multiextent

  • The ESXi userworld libxml2 package has been updated to resolve a security issue.The Common Vulnerabilities and Exposures project ( has assigned the name CVE-2012-5134 to this issue.

  • Virtual Symmetric Multi Processing (SMP) Solaris guest operating systems might stop responding while implementing the fast reboot mechanism of Solaris.
    This issue occurs when the SMI handler is not managed properly.

Deployment Considerations

None beyond the required patch bundles and reboot information listed in the table above.

Patch Download and Installation

The typical way to apply patches to ESXi hosts is through the VMware Update Manager. For details, see the VMware vCenter Update Manager Administration Guide.

ESXi hosts can also be updated using vSphere Host Update Utility or by manually downloading the patch ZIP file from the VMware download page and installing the bulletin by using the vihostupdate command through the vSphere CLI. For details, see the vSphere CLI Installation and Reference Guide and the vSphere Upgrade Guide.

Request a Product Feature

To request a new product feature or to provide feedback on a VMware product, please visit the Request a Product Feature page.


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