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The majority of Linux installations is probably Android smartphones, and well Google was informed alright, but still 95% of those phones were caught with their

• joe_the_user 8y ago
  How many android installations use Intel processors? Edit: never mind, Android was apparently indeed effected. https://www.androidcentral.com/meltdown-spectre https://www.androidcentral.com/meltdown-spectre
  • gsnedders 8y ago
    Spectre affected virtually every out-of-order execution CPU in existence; Meltdown was much more limited in scope (and very few non-Intel CPUs were affected, but some were).
• DCKing 8y ago
  Spectre and Meltdown are a problem for Android but it's a smaller problem than on PCs. The vast majority of Android phones use processors that are in-order, and lack the out-of-order execution necessary to exploit. High-end Android phones with out-of-order processors (the minority) are only vulnerable to Spectre, but it's a little complicated [1]. Then there is only one ARM core (Cortex A75) that is vulnerable to Meltdown, but that was released after the vulnerability was published, so software could ship with mitigations in place. [1]: https://github.com/lgeek/spec_poc_arm https://github.com/lgeek/spec_poc_arm
  • gsnedders 8y ago
    Some of Apple's A-series processors were affected by Meltdown too, AFAIK, though obviously that doesn't affect Android. (But is another ARM core vulnerable to it.)