CVE-2026-64170

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> spi: qup: fix error pointer deref after DMA setup failure<br /> <br /> The driver falls back to PIO mode if DMA setup fails during probe.<br /> <br /> Make sure to the clear the DMA channel pointers on setup failure to<br /> avoid dereferencing an error pointer (or attempting to release a channel<br /> a second time) on later probe errors or driver unbind.<br /> <br /> This issue was flagged by Sashiko when reviewing a devres allocation<br /> conversion patch.