Traces of the cat's shadow

Новые слова Meltdown и Spectre — уязвимости на уровне CPU.

Доступным языком — статься на Хабре: https://habrahabr.ru/post/346026/

«Заплатка» для Win10: http://www.catalog.update.microsoft.com/Search.aspx?q=KB4056[...]
С Android всё «веселее». Google апдейтит только своё (Nexus 5X, Nexus 6P, Pixel C, Pixel/XL, и Pixel 2/XL). Всем остальным остаётся надеяться на производителей девайсов. Скорее всего в пролёте всё, что не на последних версиях Android (7.x, 8 и выше). И тем более в пролёте большинство китайфонов и китайпланшетов.

Рекомендации от Google пользователям Chrome:
Google Chrome Browser
Current stable versions of Chrome include an optional feature called Site Isolation which can be enabled to provide mitigation by isolating websites into separate address spaces. Learn more about Site Isolation and how to take action to enable it.
Chrome 64, due to be released on January 23, will contain mitigations to protect against exploitation.
Additional mitigations are planned for future versions of Chrome. Learn more about Chrome's response.
Desktop (all platforms), Chrome 63:
Full Site Isolation can be turned on by enabling a flag found at chrome://flags/#enable-site-per-process.
Enterprise policies are available to turn on Site Isolation for all sites, or just those in a specified list. Learn more about Site Isolation by policy.
Android:
Site Isolation is available in chrome://flags but may have additional functionality and performance issues.