CVE-2022-50145 dmaengine: sf-pdma: Add multithread support for a DMA channel

In the Linux kernel, the following vulnerability has been resolved: dmaengine: sf-pdma: Add multithread support for a DMA channel When we get a DMA channel and try to use it in multiple threads it will cause oops and hanging the system. % echo 64 /sys/module/dmatest/parameters/threadsperchan % ec...

CVE-2022-50145

The CVE-2022-50145 issue affects the Linux kernel’s dmaengine sf-pdma path. A data race allows multiple threads to rewrite a DMA channel descriptor, risking NULL pointer dereference and OOPS/hang when device_prep_dma_memcpy() is called concurrently. The vulnerability manifests as a multithreading...

CVE-2022-50145

In the Linux kernel, the following vulnerability has been resolved: dmaengine: sf-pdma: Add multithread support for a DMA channel When we get a DMA channel and try to use it in multiple threads it will cause oops and hanging the system. % echo 64 /sys/module/dmatest/parameters/threadsperchan % ec...