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Meltdown and Spectre mitigations for Xen, Linux and Windows

Created by Rich Persaud
Last updated: Feb 15, 2018
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Official FAQs

  • Xen Project:  XSA-254   •  FAQ   •  Technical FAQ
  • Qubes: QSB #37
  • Ubuntu Linux:  What you need to know  •  Mitigation Table
  • Microsoft: ADV180002   •  FAQ
  • Intel: Facts About the New Security Research Findings

Unofficial FAQs

  • OpenXT: Meltdown and Spectre Exposure Analysis: Xen, Linux & Windows
  • Linux Kernel:  Addressing Meltdown and Spectre in the Linux Kernel   •  4.15 and beyond   
  • x86 Performance:  2018-01-07: PCID is now a critical performance/security feature on x86   •  2018-02-09: KPTI/KAISER Meltdown Initial Performance Regressions
  • Barkly: A Clear Guide to Meltdown and Spectre Patches
  • hannob: Meltdown/Spectre patch status summary   •  woachk: Spectre patch review
  • Robert O'Callahan: Long-Term Consequences Of Spectre And Its Mitigations

Explanations

  • Issue disclosure: Spectre and Meltdown papers
  • Google Project Zero:  Reading privileged memory with a side channel   •  mitigations
  • Barkly: Meltdown and Spectre CPU bugs explained
  • Eben Upton: Why Raspberry Pi isn't vulnerable to Spectre or Meltdown
  • Wikipedia: Meltdown   •  KPTI
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