top | item 21374932 (no title) moosingin3space | 6 years ago You can use an IOMMU to isolate DMA to a separate security domain. This is how Qubes OS works. discuss order hn newest mondoshawan|6 years ago No iommu on the imx8mq. moosingin3space|6 years ago That's unfortunate, since an IOMMU is an excellent solution to this kind of problem, especially when one considers all the potential Linux USB stack vulnerabilities that can be exploited if you assume the modem is untrustworthy.
mondoshawan|6 years ago No iommu on the imx8mq. moosingin3space|6 years ago That's unfortunate, since an IOMMU is an excellent solution to this kind of problem, especially when one considers all the potential Linux USB stack vulnerabilities that can be exploited if you assume the modem is untrustworthy.
moosingin3space|6 years ago That's unfortunate, since an IOMMU is an excellent solution to this kind of problem, especially when one considers all the potential Linux USB stack vulnerabilities that can be exploited if you assume the modem is untrustworthy.
mondoshawan|6 years ago
moosingin3space|6 years ago