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Enthusiast
Posts: 3
Registered: ‎07-27-2015
Message 1 of 7 (1,379 Views)

When will Meltdown & Spectre security updates be available for VAIO computers?

[ Edited ]

I have model number SVF14325CXB (Sony VAIO Fit) and am concerned about the Meltdown and Spectre security issues. I don't see any updates to address these issues at https://esupport.sony.com/US/p/model-home.pl?mdl=SVF14325CXB

Apprentice
Posts: 15
Registered: ‎01-10-2017
Message 2 of 7 (954 Views)

Re: When will Meltdown & Spectre security updates be available for VAIO computers?

fyi There's a thread on this at the VAIO-Windows10 board also. No acknowledgement at all from Sony though.

Apprentice
Posts: 15
Registered: ‎01-10-2017
Message 3 of 7 (951 Views)

Re: When will Meltdown & Spectre security updates be available for VAIO computers?

I also see a post in VAIO - Hardware and networking

 

Enthusiast
Posts: 1
Registered: ‎01-10-2018
Message 4 of 7 (844 Views)

Re: When will Meltdown & Spectre security updates be available for VAIO computers?

[ Edited ]

Sony has sold the computer division in 2015. They may not deliver BIOS updates anymore...

 

There are 3 described vulnerabilities by systems with Intel CPUs that need to be closed:

  • CVE-2017-5715 (Branch Target Injection)
  • CVE-2017-5753 (Bounds Check Bypass)
  • CVE-2017-5754 (Rogue Data Cache Load)

Microsoft has released a PowerShell script that will allow you to check your system for these vulnerabilities.

https://support.microsoft.com/en-us/help/4072698/windows-server-guidance-to-protect-against-the-spec...

 

First you should install all Windows security patches. After that you should install the PowerShell Script (PS version 5.1 / WMF5.1 is necessary) Then test you System. In 99% of all the result looks like this: http://archive.is/rTjBi

The green lines comes through the Windows update. The other red lines can only be "greened" by CPU microcode and an adapted BIOS. I have found a way to flash the microcode but apparently thats not enough. Only on line more is now green: http://archive.is/oHNC1

I'm afraid if SONY does not provide BIOSes, only a BIOS hack can help.

Highlighted
Apprentice
Posts: 15
Registered: ‎01-10-2017
Message 5 of 7 (818 Views)

Re: When will Meltdown & Spectre security updates be available for VAIO computers?

the PowerShell script is for Windows Server only?

Rookie
Posts: 3
Registered: ‎01-14-2018
Message 6 of 7 (445 Views)

Re: When will Meltdown & Spectre security updates be available for VAIO computers?

Apprentice
Posts: 15
Registered: ‎01-10-2017
Message 7 of 7 (394 Views)

Re: When will Meltdown & Spectre security updates be available for VAIO computers?

[ Edited ]

Ran the Microsoft PowerSHell. Excepting the last line I got the same result :

KVAShadowPcidEnabled           : False

 

There is a similar script at

https://github.com/vrdse/MeltdownSpectreReport/blob/master/MeltdownSpectreReport.ps1

 

Nothing new on this post.

It is I suppose unlikely that Sony will issue a bios patch for this 2011 machine.

 

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