CVE-2026-31560 spi: spi-dw-dma: fix print error log when wait finish transaction
A null pointer dereference in the Linux kernel SPI DW DMA driver causes a system crash when an error occurs during transaction waiting.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-31560?
CVE-2026-31560 is a medium-severity vulnerability in Linux kernel, published on 24 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
spi: spi-dw-dma: fix print error log when wait finish transaction
If an error occurs, the device may not have a current message. In this case, the system will crash.
In this case, it's better to use dev from the struct ctlr (struct spi_controller*).
Which versions are affected by CVE-2026-31560?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-31560?
Apply the vendor's patch.
Is CVE-2026-31560 being exploited?
There is no known exploitation of CVE-2026-31560 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-83768, BELL-CVE-2026-31560, DEBIAN-CVE-2026-31560, GHSA-x9pc-8g9f-68mf, ROOT-OS-DEBIAN-11-CVE-2026-31560, ROOT-OS-DEBIAN-12-CVE-2026-31560 and 4 more.