Numbering and correct MDS override value

Corrected the MDS override value to be the value that reflects disabling HT. Also fixed numbering for hypervisor section. Updates to this page might be complete...for now.
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43313EB9AA87E7039F8F3948282E61C0CB12372C5499884609A01B2BCA37B973 2019-06-13 16:39:31 -04:00 committed by GitHub
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@ -13,10 +13,10 @@ The information and opinions contained in this document are provided "as is" and
- 3.3 [Other Linux Distributions](#linux) - 3.3 [Other Linux Distributions](#linux)
- 3.4 [MacOS](#mac) - 3.4 [MacOS](#mac)
- 4\. [Hypervisors](#hyper) - 4\. [Hypervisors](#hyper)
- [Citrix](#citrix) - 4.1 [Citrix](#citrix)
- [Microsoft Hyper-V](#hyperv) - 4.2 [Microsoft Hyper-V](#hyperv)
- [VMware](#vmware) - 4.3 [VMware](#vmware)
- [Xen Project](#xen) - 4.4 [Xen Project](#xen)
- 5\. [Hardware](#hard) - 5\. [Hardware](#hard)
- 5.1 [Dell](#dell) - 5.1 [Dell](#dell)
- 5.2 [HP](#hp) - 5.2 [HP](#hp)
@ -69,7 +69,7 @@ Use the following variable values to enable mitigations. Registry keys may not e
| Setting | Spectre, Meltdown, MDS | Spectre, Meltdown | Spectre-only | | Setting | Spectre, Meltdown, MDS | Spectre, Meltdown | Spectre-only |
| --- | --- | --- | --- | | --- | --- | --- | --- |
| FeatureSettingsOverride | 72 | 0 | 8 | | FeatureSettingsOverride | 8264 | 0 | 8 |
| FeatureSettingsOverrideMask | 3 | 3 | 3 | | FeatureSettingsOverrideMask | 3 | 3 | 3 |
| MinVmVersionForCpuBasedMitigations | "1.0" | "1.0" | "1.0" | | MinVmVersionForCpuBasedMitigations | "1.0" | "1.0" | "1.0" |
@ -110,16 +110,18 @@ Windows operating systems and applications guidance in development:
* [Apple's Spectre and Meltdown notice](https://support.apple.com/en-us/HT208394) * [Apple's Spectre and Meltdown notice](https://support.apple.com/en-us/HT208394)
## <a name="hyper">4. Hypervisors ## <a name="hyper">4. Hypervisors
### <a name="citrix"/>Citrix ### <a name="citrix"/>4.1 Citrix
* [MDS statement](https://www.citrix.com/blogs/2019/05/14/microarchitectural-data-sampling-security-issues-and-mitigations/) * [MDS statement](https://www.citrix.com/blogs/2019/05/14/microarchitectural-data-sampling-security-issues-and-mitigations/)
* [Spectre and Meltdown statement](https://support.citrix.com/article/CTX231399) * [Spectre and Meltdown statement](https://support.citrix.com/article/CTX231399)
* [Performance impact guidance](https://www.citrix.com/blogs/2018/02/06/meltdown-and-spectre-understanding-the-performance-impact-current-state-whats-next/) * [Performance impact guidance](https://www.citrix.com/blogs/2018/02/06/meltdown-and-spectre-understanding-the-performance-impact-current-state-whats-next/)
### <a name="hyperv"/>Microsoft Hyper-V
### <a name="hyperv"/>4.2 Microsoft Hyper-V
* [Side-channel vulnerability mitigations for multiple Microsoft platforms](https://support.microsoft.com/en-us/help/4457951/windows-guidance-to-protect-against-speculative-execution-side-channel) * [Side-channel vulnerability mitigations for multiple Microsoft platforms](https://support.microsoft.com/en-us/help/4457951/windows-guidance-to-protect-against-speculative-execution-side-channel)
* [Hyper Clear mitigation](https://techcommunity.microsoft.com/t5/Virtualization/5-14-Hyper-V-HyperClear-Update/ba-p/566499) * [Hyper Clear mitigation](https://techcommunity.microsoft.com/t5/Virtualization/5-14-Hyper-V-HyperClear-Update/ba-p/566499)
* [Configuration changes to mitigate side-channel vulnerabilities](https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/CVE-2017-5715-and-hyper-v-vms) * [Configuration changes to mitigate side-channel vulnerabilities](https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/CVE-2017-5715-and-hyper-v-vms)
* [Server configuration changes to mitigate side-channel vulnerabilities](https://support.microsoft.com/en-us/help/4072698/windows-server-speculative-execution-side-channel-vulnerabilities-prot) * [Server configuration changes to mitigate side-channel vulnerabilities](https://support.microsoft.com/en-us/help/4072698/windows-server-speculative-execution-side-channel-vulnerabilities-prot)
### <a name="vmware"/>VMware
### <a name="vmware"/>4.3 VMware
* [MDS advisory](https://www.vmware.com/security/advisories/VMSA-2019-0008.html) * [MDS advisory](https://www.vmware.com/security/advisories/VMSA-2019-0008.html)
* [Hypervisor mitigations for MDS](https://kb.vmware.com/s/article/67577) * [Hypervisor mitigations for MDS](https://kb.vmware.com/s/article/67577)
* [Guest mitigations for MDS](https://kb.vmware.com/s/article/68024) * [Guest mitigations for MDS](https://kb.vmware.com/s/article/68024)
@ -127,7 +129,8 @@ Windows operating systems and applications guidance in development:
* [Configuration changes and microcode mitigations for Spectre, Meltdown](https://kb.vmware.com/s/article/54951) * [Configuration changes and microcode mitigations for Spectre, Meltdown](https://kb.vmware.com/s/article/54951)
* [VMware additional guidance on side-channel vulnerabilities](https://kb.vmware.com/s/article/52245) * [VMware additional guidance on side-channel vulnerabilities](https://kb.vmware.com/s/article/52245)
* [vSphere configuration guidance](https://blogs.vmware.com/feed-items/vulnerabilities-how-to-fix-meltdown-and-spectre-on-vmware-vsphere) * [vSphere configuration guidance](https://blogs.vmware.com/feed-items/vulnerabilities-how-to-fix-meltdown-and-spectre-on-vmware-vsphere)
### <a name="xen"/>Xen Project
### <a name="xen"/>4.4 Xen Project
* [MDS Guidance](https://www.citrix.com/blogs/2019/05/14/microarchitectural-data-sampling-security-issues-and-mitigations/) * [MDS Guidance](https://www.citrix.com/blogs/2019/05/14/microarchitectural-data-sampling-security-issues-and-mitigations/)
* [Spectre and Meltdown administrator guidance](https://wiki.xenproject.org/wiki/Respond_to_Meltdown_and_Spectre) * [Spectre and Meltdown administrator guidance](https://wiki.xenproject.org/wiki/Respond_to_Meltdown_and_Spectre)
* [Spectre and Meltdown Wiki FAQ](https://wiki.xenproject.org/wiki/Xen_Project_Meltdown_and_Spectre_Technical_FAQ) * [Spectre and Meltdown Wiki FAQ](https://wiki.xenproject.org/wiki/Xen_Project_Meltdown_and_Spectre_Technical_FAQ)