On 2018-01-04 at 12:30, Michael Fothergill wrote: > On 4 January 2018 at 17:22, Curt <curty@free.fr> wrote: > >> https://arstechnica.com/gadgets/2018/01/meltdown-and-spectre-every-modern- >> processor-has-unfixable-security-fladdws/U >> >> >> TL;DR >> >> Windows, Linux, and macOS have all received security patches that >> significantly alter how the operating systems handle virtual memory in >> order to protect against a hitherto undisclosed flaw. >> ... >> In the immediate term, it looks like most systems will shortly have >> patches for Meltdown. At least for Linux and Windows, these patches >> allow end-users to opt out if they would prefer. The most vulnerable >> users are probably cloud service providers; Meltdown and Spectre can >> both in principle be used to further attacks against hypervisors, >> making it easier for malicious users to break out of their virtual >> machines. >> ... >> For typical desktop users, the risk is arguably less significant. While >> both Meltdown and Spectre can have value in expanding the scope of an >> existing flaw, neither one is sufficient on its own to, for example, >> break out of a Web browser. >> >> Apparent moral of story for CPU: don't speculate (but it's significantly >> *slower*). > > Isn't this mainly an Intel problem? I use AMD chipsets. I would go for > Ryzen nowadays anyway. Meltdown so far is not known to affect anything other than Intel. Spectre, however, is confirmed to affect AMD CPUs - and Ryzen CPUs are specifically stated to be affected. -- The Wanderer The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. -- George Bernard Shaw
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