CVE-2022-50145 | Linux Kernel up to 5.10.136/5.15.60/5.18.17/5.19.1 threads_per_chan device_prep_dma_memcpy null pointer dereference (Nessus ID 246971 / WID-SEC-2025-1350)
A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.10.136/5.15.60/5.18.17/5.19.1. This affects the function device_prep_dma_memcpy of the file /sys/module/dmatest/parameters/threads_per_chan. The manipulation leads to null pointer dereference.
This vulnerability is traded as CVE-2022-50145. Access to the local network is required for this attack to succeed. There is no exploit available.
It is advisable to upgrade the affected component.