CVE-2026-93825 spi: Add NULL check for spi_get_device_id() in spi_get_device_match_data()
A NULL pointer dereference in the Linux kernel SPI driver can cause a denial of service when using driver_override without a matching SPI ID entry.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-93825?
CVE-2026-93825 is a vulnerability in Linux, published on 24 Sep 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: Add NULL check for spi_get_device_id() in spi_get_device_match_data()
Prevent NULL pointer dereference when spi_get_device_id() returns NULL, which can happen when using driver_override without matching SPI ID entry.
Which versions are affected by CVE-2026-93825?
How do I fix CVE-2026-93825?
Apply the vendor's patch.
Is CVE-2026-93825 being exploited?
There is no known exploitation of CVE-2026-93825 in the wild and no public exploit code.
Sources
Also known as AZL-104024, BELL-CVE-2026-93825, DEBIAN-CVE-2026-93825, GHSA-hcj8-wxhg-3pf2, UBUNTU-CVE-2026-93825.