Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
mtd: rawnand: cadence: fix DMA device NULL pointer dereference
The DMA device pointer dma_dev was being dereferenced before ensuring
that cdns_ctrl->dmac is properly initialized.
Move the assignment of dma_dev after successfully acquiring the DMA
channel to ensure the pointer is valid before use.
Details
- Affected product:
- Ubuntu 20.04 ELS
- Affected packages:
- linux @ 5.4.0
In the Linux kernel, the following vulnerability has been resolved:
mtd: rawnand: cadence: fix DMA device NULL pointer dereference
The DMA device pointer dma_dev was being dereferenced before ensuring
that cdns_ctrl->dmac is properly initialized.
Move the assignment of dma_dev after successfully acquiring the DMA
channel to ensure the pointer is valid before use.