---
id: CVE-2026-93038
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  iio: dac: ad5686: missing NULL check on match data

  Verify that chip_info pointer is not NULL
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  iio: dac: ad5686: missing NULL check on match data

  Verify that chip_info pointer is not NULL. If a user binds the driver
  using driver_override via sysfs with a device …
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 0eb1728461a1a84613188f394e38921e29325d30 <
    cdaa9cb77eb67f2d4921600f6531315040888e29
  - >-
    Linux >= 0eb1728461a1a84613188f394e38921e29325d30 <
    572a008526359cdac2fa935dad75e9d50a79792f
  - Linux 7.2
published: '2026-09-17'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T17:17:56.877'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93038'
references:
  - url: 'https://git.kernel.org/stable/c/572a008526359cdac2fa935dad75e9d50a79792f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/cdaa9cb77eb67f2d4921600f6531315040888e29'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-17T16:21:47.774Z'
epss: 0.00198
epssPercentile: 0.08465
---

## Overview

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

iio: dac: ad5686: missing NULL check on match data

Verify that chip_info pointer is not NULL. If a user binds the driver
using driver_override via sysfs with a device name not present in the
id_table or of_match_table, match data will be NULL.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.