This tag is for questions specific to the so-called "spectre" processor vulnerability and its mitigation.

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Oracle Linux Spectre-V2 (CVE-2017-5715) Vulnerability Mitigation

I have 2 virtual machines that is Oracle Linux 6.9. I updated both of them to same kernel version and same other packages versions from same local repository (central repository server in our dc). But ...
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Analyze Spectre and Meltdown Check Script by Red Hat

As you know Red Hat published a script to check the vulnerability of the system to Spectre and Meltdown. Kernel upgrade and activation/deactivation of some features is enough for avoid from these ...
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How can I set “generic retpoline” as default because LFENCE does not serialize on my PC?

I have Fedora 27 installed on my laptop with an older AMD CPU (AMD Turion X2 mobile processor RM-75 / 2.2 GHz). The following error message appears every time I boot:Spectre V2: Spectre mitigation: ...
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Were any open source/hardware CPUs affected by Spectre?

I am curious if any open hardware CPUs were affected by Spectre or Meltdown. However, I cant seem to find any confirmation that any were or were not affected.
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What to do with a i5-5200U CPU running Win 8.1 in regards to Spectre and Meltdown?

I have a Lenovo g50-80 with an Intel i5-5200U CPU running Windows 8.1 64bits with all updates installed and no new updates available (only 2 optional ones that are irrelevant here). I just ran ...
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115 views

Meltdown and Spectre: practical advantages and disadvantages for users? (security and performances) [closed]

I was guessing which could be the practical downsides of the patches for these risks and also if a user decides to not apply these patches.Preamble:In the middle of January I bought a refurbished ...
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can the spectre security vulnerability be in a virtual machine?

Is it possible that a virtual machine like VirtualBox has the security vulnerability "spectre"?I think the VM maybe does out-of-order execution, but in my opinion it is not possible to peek at the ...
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143 views

Internet Explorer Inoperable after Meltdown/Spectre Patches in Windows 10

This started happening shortly after Meltdown/Spectre was in the news. I've tried:Uninstalling and reinstalling IE.Resetting IE settingsUninstalling KB4056892.Searching yields results for AMD ...
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121 views

Is KB4056759 part of Meltdown and spectre update fix?

I can't tell if it is part of Meltdown and Spectre. MS site says its a fix for "An elevation of privilege vulnerability exists in the Microsoft Server Message Block (SMB)".But a couple of sites link ...
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Linux Server reboots unreasonably

After applying Meltdown and Specter fix for Linux my openSUSE Leap 42.3 server began to reboot unreasonably. It can work 1 day and then reboot or it can work for 15 mins after the last restart and ...
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How to install macOS software from source to mitigate Spectre 2?

I attended a presentation on Spectre and Meltdown by a UCL professor. He suggested several ways to mitigate Spectre 2 (Branch Target Injection) by upgrading to High Sierra and installing all software ...
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330 views

Windows 10 LTSB v. 1607 & Spectre: Still no OS support for mitigation

I've got a Dell XPS 15 9560 running Windows 10 LTSB 2016 (build 1607). The CPU is an Intel i7 7700HQ. For nearly a month now, I've been trying to ensure that this machine is protected against the ...
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how to update godaddy Dedicated linux server centos 6.9 kernel

I have dedicated server from godaddy.The Linux information is as follows.Version: CentOS release 6.9 (Final)Kernel: 2.6.32-042stab111.11I have executed "yum update" on server and now /boot shows ...
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Spectre/Meltdown- Lenovo M800 BIOS update does not appear to work

So I've got a Lenovo ThinkCentre M800, running Windows 10 x64, 1709. I've applied their latest BIOS Update which is version FWKT86A, and then ran Get-SpeculationControlSettings (From the Speculation ...
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If Spectre and Meltdown OS patches are not applied on a Windows system, can other new Microsoft patches be applied?

In this Information Security QA, we thoughtfully discuss whether or not patching for Spectre and Meltdown are necessary on Windows boxes.Some will undoubtedly decide they want to patch certain ...

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