7 ms·
This isn't just about surreptitiously installing a compromised PCI card into a desktop PC. It affects every machine with a FireWire, Thunderbolt, or PCMCIA/Exp
by dlitz 13y ago
This isn't just about surreptitiously installing a compromised PCI card into a desktop PC. It affects every machine with a FireWire, Thunderbolt, or PCMCIA/ExpressCard port, i.e. most stolen corporate laptops.
https://en.wikipedia.org/wiki/DMA_attack https://en.wikipedia.org/wiki/DMA_attack
- rdl 13y agoVT-d addresses this. Standard on most Intel Core processors for a couple years.
- tga_d 13y agoI've heard that it could address it in theory but hasn't actually been used for that yet. Do you have a source saying it does this by default, or failing that, how to set it up to do that?
- sweis 13y agoIOMMU with VT-d is present, but not utilized by some major commercial operating systems and hypervisors. There are also some implementation vulnerabilities in specific OSes which are not yet publicly disclosed.