[coreboot] x86 smm: memory sinkhole attack

[Francis Rowe]

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Hi,

I've been reading lately about this attack:
https://github.com/xoreaxeaxeax/sinkhole

Some summary articles:
*
http://www.theregister.co.uk/2015/08/11/memory_hole_roots_intel_processors
* http://www.bit-tech.net/news/hardware/2015/08/07/x86-security-flaw/1

My basic question is: are coreboot systems affected by this
vulnerability, and if so, what work is being done to patch it?

Specifically, in my case, I am interested in the following coreboot
systems:
* i945 platforms (Lenovo X60/T60, Macbook2,1)
* GM45 platforms (Lenovo X200/T400/T500/R400/R500)
* fam10h AMD platforms (ASUS KFSN4-DRE, ASUS KGPE-D16)

Could someone shed a light on this?

Regards,
Francis Rowe.
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