Crash on Windows 8.1 or Windows Server 2012 R2 when a WPF driver calls the FwpsConstructIpHeaderForTransportPacket0 function

Symptoms

If a computer that is running Windows 8.1 or Windows Server 2012 R2 is under a heavy load when a Windows Filtering Platform (WFP) driver calls the FwpsConstructIpHeaderForTransportPacket0 function, the computer crashes.

Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this update, you must first have update 2919355 installed in Windows 8.1 or Windows Server 2012 R2.

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8.1 and Windows Server 2012 R2 file information and notesImportant Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.17 xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    GDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8.1 and Windows Server 2012 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Fwpkclnt.sys

6.3.9600.17485

286,528

10-Nov-2014

17:47

x86

Tcpip.sys

6.3.9600.17676

1,855,296

08-Feb-2015

02:20

x86

For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Fwpkclnt.sys

6.3.9600.17676

428,864

08-Feb-2015

03:04

x64

Tcpip.sys

6.3.9600.17676

2,478,912

08-Feb-2015

03:04

x64

Wnv.sys

6.3.9600.17676

704,000

08-Feb-2015

01:56

x64

Wnvapi.dll

6.3.9600.17396

64,512

08-Oct-2014

06:08

x64

Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File property

Value

File name

X86_f0ceac1f8c2716d6528cf43c8632befc_31bf3856ad364e35_6.3.9600.17676_none_1ae1631dff7546ef.manifest

File version

Not applicable

File size

702

Date (UTC)

08-Feb-2015

Time (UTC)

14:42

Platform

Not applicable

File name

X86_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.3.9600.17676_none_47ca964381f5fe07.manifest

File version

Not applicable

File size

3,883

Date (UTC)

08-Feb-2015

Time (UTC)

14:47

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File property

Value

File name

Amd64_1900b66cfd0dff2e2e54d216f02b85e2_31bf3856ad364e35_6.3.9600.17676_none_aafb20dccfcad92d.manifest

File version

Not applicable

File size

706

Date (UTC)

08-Feb-2015

Time (UTC)

14:42

Platform

Not applicable

File name

Amd64_7a6943f3a3f3370627df01c262b5d120_31bf3856ad364e35_6.3.9600.17676_none_409b152e647c57d1.manifest

File version

Not applicable

File size

695

Date (UTC)

08-Feb-2015

Time (UTC)

14:42

Platform

Not applicable

File name

Amd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.3.9600.17676_none_a3e931c73a536f3d.manifest

File version

Not applicable

File size

3,884

Date (UTC)

08-Feb-2015

Time (UTC)

03:06

Platform

Not applicable

File name

Amd64_microsoft-windows-wnv_31bf3856ad364e35_6.3.9600.17676_none_a07136132ab15c28.manifest

File version

Not applicable

File size

54,210

Date (UTC)

08-Feb-2015

Time (UTC)

14:51

Platform

Not applicable


Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

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

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