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Will security patches against "Specter-NG" vulnerabilities be available for end-users by September 2018?

Last year security researches succeeded in extracting data across presumed secure boundaries -- using side-channel attacks with creative use of speculative execution. Those vulnerabilities even hit the mass media, by the names of Spectre and Meltdown.

The German technology magazine c't has just released an article that new vulnerabilities similar to Spectre (original German) and comparable or stronger impact will soon be announced.

Intel would like to promise patches for May and August, and given that one of the vulnerabilities has been reported by Google Zero -- which uses a rather strict deadline for public reports -- Intel would do well to fulfill such promises.

However, their track-record is rather sad: Even the patches for the previous round of speculative-execution attacks are, de-facto, not available to the public. But patches only work when deployed; in that spirit:

Will patches fixing this round of Specter-NG vulnerabilities be available for end-user via automatic Windows 10 updates by the end of August, for the most recent micro-architecture?

  • Performance penalties are immaterial to whether a patch counts for question resolution.
  • All vulnerabilities with an impact similar to Meltdown and Spectre must be fixed; smaller issues (like only theoretically possible, but no working PoC, or strictly more limited impact) may be patched later. Given that the list of issues is not yet known, this is more in line with the headlines use of "Spectre-NG".
  • The patches should install themselves via automatic Windows Update if used in default configuration.
  • The patches must be available for at least the last affected CPU microarchitecture from Intel, Skylake.
  • The patches must be available for at least two major motherboard makers (either 1 Top plus 3 others, or at least 2 Top)
  • This question is about end-user systems; ergo servers, manually downloaded hotfixes etc. are outside of the scope of this question.

In case Specter-NG is a dud (i.e. gets demoted in importance to a low level), this question resolves ambiguous.

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