Keeping secrets in memfd areas

Posted Feb 20, 2020 22:42 UTC (Thu) by chutzpah (subscriber, #39595)
In reply to: Keeping secrets in memfd areas by ncm
Parent article: Keeping secrets in memfd areas

An IOMMU should be able to protect against rogue devices with DMA access, currently Linux's IOMMU usage does have some leaks, but it should be able to protect this memory.