Windows 10: spectre and meltdown vulnerabilities fix causing bsod for windows 10

Hello all ,


Post applying the spectre and meltdown vulnerabilities fix for couple of system of my mixed environment,i see few of win10 systems are crashing post applying following setting and restarting due to BSOD . where as my environment having Intel and AMD family Processors and same solution worked perfectly for Win-7 and Win 8 with out any Noise .where as for W10 out 30 test machines 15 got crashed.


Config-applied :

Manage Speculative Store Bypass and mitigations around Spectre Variant 2 and Meltdown


Applies to: Windows 10, version 1803, Windows 10, version 1709, Windows 10, version 1703, Windows 10, version 1607, Windows 10, Windows 8.1, and Windows 7 SP1.

Enable mitigations around Speculative Store Bypass (CVE-2018-3639) together with mitigations around Spectre Variant 2 (CVE-2017-5715 "Branch Target Injection") and Meltdown (CVE-2017-5754) through the following registry settings (because they are not enabled by default).

• 
  reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v FeatureSettingsOverride /t REG_DWORD /d 8 /f
  reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v FeatureSettingsOverrideMask /t REG_DWORD /d 3 /f
  
  
  Note These registry changes require administrative rights and a restart.
  

• Disable mitigations around Speculative Store Bypass (CVE-2018-3639) through the following registry settings.
  
  reg delete "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v FeatureSettingsOverride /f
  reg delete "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v FeatureSettingsOverrideMask /f
  
  
  Note These registry changes require administrative rights and a restart.
  

any suggestion and solutions ...


Thanks ,

Naresh.

:)

 

Meltdown and Spectre

IMO, all of the below articles are supplying good info...

• https://www.bleepingcomputer.com/ne...stems-for-the-meltdown-and-spectre-cpu-flaws/
  (article includes: "This
  Google Docs file contains a list of the responses from some AV companies.")
• https://www.computerworld.com/artic...tdown-and-spectre-keep-calm-and-carry-on.html
• https://www.computerworld.com/artic...-signals-early-abbreviated-patch-tuesday.html(applies
  to all Windows versions despite title)
• https://www.bleepingcomputer.com/ne...pdates-to-fix-meltdown-and-spectre-cpu-flaws/
• https://support.microsoft.com/en-us...garding-the-windows-security-updates-released

• http://www.itprotoday.com/network-security/how-protect-against-meltdown-and-spectre-vulnerabilities

 

Meltdown and Spectre

I suggest to do some reading...

See for example the below articles which include lots of links/infos:

• https://www.bleepingcomputer.com/ne...stems-for-the-meltdown-and-spectre-cpu-flaws/
  (article includes: "This
  Google Docs file contains a list of the responses from some AV companies.")
• https://www.computerworld.com/artic...tdown-and-spectre-keep-calm-and-carry-on.html

 

Spectre and Meltdown Flaws/bugs

Do NOT download anything manually! Might be that your Anti-Virus program is not yet patched or whatever...

I suggest to take the time and do some reading....

See for example the below articles which include lots of links/infos:

• https://www.bleepingcomputer.com/ne...stems-for-the-meltdown-and-spectre-cpu-flaws/
  (article includes: "This
  Google Docs file contains a list of the responses from some AV companies.")
• https://www.computerworld.com/artic...tdown-and-spectre-keep-calm-and-carry-on.html
• https://www.computerworld.com/artic...-signals-early-abbreviated-patch-tuesday.html(applies
  to all Windows versions despite title)
• https://www.bleepingcomputer.com/ne...pdates-to-fix-meltdown-and-spectre-cpu-flaws/
• https://support.microsoft.com/en-us...garding-the-windows-security-updates-released

• http://www.itprotoday.com/network-security/how-protect-against-meltdown-and-spectre-vulnerabilities