CVE-2026-43356

/// Technical description

In the Linux kernel, the following vulnerability has been resolved:

iio: imu: adis: Fix NULL pointer dereference in adis_init

The adis_init() function dereferences adis->ops to check if the

individual function pointers (write, read, reset) are NULL, but does

not first check if adis->ops itself is NULL.

Drivers like adis16480, adis16490, adis16545 and others do not set

custom ops and rely on adis_init() assigning the defaults. Since struct

adis is zero-initialized by devm_iio_device_alloc(), adis->ops is NULL

when adis_init() is called, causing a NULL pointer dereference:

Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000

pc : adis_init+0xc0/0x118

Call trace:

adis_init+0xc0/0x118

adis16480_probe+0xe0/0x670

Fix this by checking if adis->ops is NULL before dereferencing it,

falling through to assign the default ops in that case.

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References