Obviously, if the CPU has to handle each memory ... OS, rendering such protections useless. The good news here is that in order to make use of a DMA attack, an attacker has to gain physical access ...

Direct memory access (DMA) is a means of having a peripheral device control a processor’s memory bus directly. DMA permits the peripheral, such as a UART, to transfer data directly to or from memory ...

says the attacks were mitigated at the operating-system level with Kernel Direct Memory Access (DMA) protection, but this technology is limited to computers sold since 2019. Microsoft ...

Vulnerabilities in Dell and HP laptops could allow an attacker to access ... OS and back down again is slow and inefficient. Instead, DMA allows devices to directly communicate with the system’s ...