CVE-2021-47047 | Linux Kernel up to 5.10.36/5.11.20/5.12.3 spi-zynqmp-gqspi dma_map_single buffer overflow

A vulnerability was found in Linux Kernel up to 5.10.36/5.11.20/5.12.3. It has been declared as critical. Affected by this vulnerability is the function dma_map_single of the component spi-zynqmp-gqspi. The manipulation leads to buffer overflow.

This vulnerability is known as CVE-2021-47047. Access to the local network is required for this attack. There is no exploit available.

It is recommended to upgrade the affected component.