CVE-2025-37801 spi: spi-imx: Add check for spi_imx_setupxfer()
A missing return value check in the Linux kernel SPI driver can lead to a NULL pointer dereference, causing a system crash.
- 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-2025-37801?
CVE-2025-37801 is a high-severity vulnerability in Linux kernel, published on 8 May 2025. 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-imx: Add check for spi_imx_setupxfer()
Add check for the return value of spi_imx_setupxfer(). spi_imx->rx and spi_imx->tx function pointer can be NULL when spi_imx_setupxfer() return error, and make NULL pointer dereference.
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 Call trace: 0x0 spi_imx_pio_transfer+0x50/0xd8 spi_imx_transfer_one+0x18c/0x858 spi_transfer_one_message+0x43c/0x790 __spi_pump_transfer_message+0x238/0x5d4 __spi_sync+0x2b0/0x454 spi_write_then_read+0x11c/0x200
Weakness: CWE-476
Which versions are affected by CVE-2025-37801?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-37801?
Apply the vendor's patch.
Is CVE-2025-37801 being exploited?
There is no known exploitation of CVE-2025-37801 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-63791, BELL-CVE-2025-37801, DEBIAN-CVE-2025-37801, GHSA-vp37-f5jx-gpcx, ROOT-OS-DEBIAN-11-CVE-2025-37801, ROOT-OS-DEBIAN-12-CVE-2025-37801 and 3 more.