UBUNTU-CVE-2021-47140

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Clear DMA ops when switching domain Since commit 08a27c1c3ecf "iommu: Add support to change default domain of an iommu group" a user can switch a device between IOMMU and direct DMA through sysfs. This doesn't work for...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a DMA operation that is not cleared when switching domains...