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Re: Spectre

To: tech-kern%netbsd.org@localhost
Subject: Re: Spectre
From: maya%netbsd.org@localhost
Date: Thu, 18 Jan 2018 01:07:13 +0000

On Thu, Jan 18, 2018 at 12:37:11AM +0000, coypu%sdf.org@localhost wrote:
> - Intel and AMD have pushed microcode updates that introduce
>   instructions, for Intel they are 'IBPB' and 'IBRS'.

+ STIBP for Intel.

> - I'm not sure how easy it is to find a good enough gadget without
>   something like eBPF

Lua is probably a good target (though we don't normally have it loaded).

References:
- Spectre
  - From: coypu

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