CVE-2025-68238

kernel: mtd: rawnand: cadence: fix DMA device NULL pointer dereference

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Severity

Unknown

Red Hat Product Security

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Review impact separately from score.

Updated · June 30, 2026

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.

No mitigation is specified in collected source.

CWE not specified