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altf4
Former Member
Message 11 of 29

Re: What is McAfee's response to the Intel Meltdown flaw?

user_82004
Former Member
Message 12 of 29

Re: What is McAfee's response to the Intel Meltdown flaw?

That Altf4. That is a start but not a statement of compatibility of McAfee products with Microsoft's patches. The closest they came to stating that was in this paragraph (bolding mine):

Microsoft has released an out-of-cycle patch because of this disclosure:  https://support.microsoft.com/en-us/help/4056892/windows-10-update-kb4056892. Due to the nature of any patch or update, we suggest first applying manual updates on noncritical systems, to ensure compatibility with software that involves the potential use of low-level operating system features. McAfee teams are working to ensure compatibility with released patches where applicable.

Still waiting for official confirmation of compatibility. At best, McAfee will be expected to release the means to add the registry key that the Microsoft update requires. They might do that through a DAT file. I have learned in the past from McAfee that they can actually include software changes in DAT files. So, it is conceivable from that information that they could add the registry key without requiring a hotfix or any product patch. That would be great as there would be no outage or mass upgrade project required for installed McAfee products.

I have been testing the patches manually on Server 2008 R2 (VSE 8.8 P9, Agent 5.0.6.220) and Server 2012 R2 (VSE 8.8 Repost P4 with SYSCORE HF, Agent 4.8.0.1500) and so far no issues. No BSOD on reboot. I also ran an OnDemand scan on both systems and that ran without issue.

Note that when you install the Microsoft Update it does add the first of the 2 noted mitigation registry keys (https://support.microsoft.com/en-us/help/4072698/windows-server-guidance-to-protect-against-the-spec...😞

Switch | Registry Settings

To enable the mitigations

reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v FeatureSettingsOverride /t REG_DWORD /d 0 /f

It does not add the second key. Both the Enable and Disable have the same key and value so my spidey sense says that key's value is set by default and the registry key does not need to be declared in the registry explicitly.

jspaid1592
Former Member
Message 13 of 29

Re: What is McAfee's response to the Intel Meltdown flaw?

Official KB per our rep: https://kb.mcafee.com/agent/index?page=content&id=KB90167

Says they're still testing. Thanks to the above for their testing results. We're starting to manually roll out the patch and test ourselves to stay ahead.

altf4
Former Member
Message 14 of 29

Re: What is McAfee's response to the Intel Meltdown flaw?

I really hope they release the registry key soon so I can update Windows.

https://www.bleepingcomputer.com/news/microsoft/how-to-check-and-update-windows-systems-for-the-melt...

I just ran some commands from the bleeping computer article to check if I'm in trouble.

Capture.PNG

rav1979
Contributor
Message 15 of 29

Re: What is McAfee's response to the Intel Meltdown flaw?

Pleasse let me know if McAfee NS9100 is affected by Meltdown/Spectre

wixey
Reliable Contributor
Reliable Contributor
Message 16 of 29

Re: What is McAfee's response to the Intel Meltdown flaw?

Perhaps it's too soon to ask but I'm wondering what people running McAfee Security Center should do, as it isn't included in the list of compatible products in the KB article.

The Microsoft patch isn't appearing in my WU. I can't tell if that's because the registry key hasn't been added but if that's the case, is there a chance the key will be included in a future McAfee update?

exbrit
MVP
MVP
Message 18 of 29

Re: What is McAfee's response to the Intel Meltdown flaw?

abmchi
Former Member
Message 19 of 29

Re: What is McAfee's response to the Intel Meltdown flaw?

Microsoft Just Put Out a New "2018-01 Security Monthly Quality Rollup for Windows 7 for x64-based Systems (KB4056894) " , on website, "January 4, 2018—KB4056894 (Monthly Rollup)" which downloaded [I did not install yet - my setting is to download but not auto-install] to my Windows7 Pro computer with McAfee Total Protection...and I did Not add the registry key that supposedly was required to get the download

HOWEVER - THEY GIVE CAUTIONARIES  in the "More Information" on microsoft support site [ https://support.microsoft.com/en-us/help/4056894/windows-7-update-kb4056894  ]

shown below** - so there is a Microsoft monthly rollup with multiple items included and we are supposed to ask McAfee about compatibility before installing it !!

McAfee, meanwhile, has info for enterprise folk but no update for others.... So this is now More Than Question of the Jan 3 Meltdown patch by microsoft... but in-fact can we install the Rollup???

I can find no comment on community regarding this rool-up which did download.... and it seems like this download of rollup happens whether or not the registry key was there

So To McAfee:  What About This Issue of Rollup Installation

_________________

**

       "  Known issues in this update

Symptom

Workaround

Due to an issue with some versions
  of Anti-Virus software, this fix is only being made applicable to the
  machines where the Anti virus ISV have updated the ALLOW REGKEY.

Contact your Anti-Virus AV to
  confirm that their software is compatible and have set the following REGKEY
  on the machine

Key="HKEY_LOCAL_MACHINE"Subkey="SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat"

Value
  Name="cadca5fe-87d3-4b96-b7fb-a231484277cc"

Type="REG_DWORD”

Data="0x00000000”

jonnywalker
Contributor III
Message 20 of 29

Re: What is McAfee's response to the Intel Meltdown flaw?

Hi

I downloaded and installed the new Microsoft update through windows update on my pc running windows 7 home premium it took a while but in the windows update it says it installed succesfully. I suppose it´s ok. I realy don´t understand what Microsoft means . If they mean that it can´t be installed without that registry key or if they mean that it won´t work wirhout that key? Anyone who knows.

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