---
id: CVE-2026-89522
title: >-
  kernel: media: staging/ipu7: fix async notifier UAF on probe error path
  (CVE-2026-89522)
summary: >-
  A flaw was found in the Linux kernel's media subsystem, specifically within
  the ipu7 driver. When an error occurs during the device's initial setup (probe
  error path), a V4L2 asynchronous notifier is not correctly removed from a
  global lis…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cvssSource: vendor
cwe: CWE-825
vendor: Red Hat
product: Red Hat OpenShift Container Platform 4
affected:
  - openshift_container_platform 4
published: '2026-09-11'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T06:52:15+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89522.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89522.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-89522'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2532511'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-89522'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89522'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89522.mbox
  - url: 'https://git.kernel.org/stable/c/2a8dd9fd12f3f6b21207cec8f50c92cd428e6b81'
  - url: 'https://git.kernel.org/stable/c/323c411fb63122e8cef5b833032d69d59a838559'
  - url: 'https://git.kernel.org/stable/c/d7f48aa7d60c65d3e6d5312c27f17d5525a245fb'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
  - score-dispute
epss: 0.00168
epssPercentile: 0.0544
scores:
  vendor: 4.1
  cna: 7.8
ingestedAt: '2026-09-14T15:23:07.475Z'
---

## Overview

A flaw was found in the Linux kernel's media subsystem, specifically within the ipu7 driver. When an error occurs during the device's initial setup (probe error path), a V4L2 asynchronous notifier is not correctly removed from a global list. This results in a use-after-free vulnerability, where the system attempts to access memory that has already been released. A local attacker could potentially exploit this to cause system instability or execute unauthorized code.

## Vendor advisories

- **Red Hat VEX** · Moderate · updated 2026-09-15 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89522.json)

**kernel: media: staging/ipu7: fix async notifier UAF on probe error path** — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-15.

Not affected:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4

## Remediation

Refer to the advisory for fix availability.