---
id: CVE-2026-46235
title: 'media: saa7164: add ioremap return checks and cleanups'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  media: saa7164: add ioremap return checks and cleanups

  Add checks for ioremap return values in saa7164_dev_setup(). If
  ioremap for BAR0 or BAR2 fails, release the alre…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 <
    23dee5990d2c27ed79567fd61ccfe6876768531a
  - >-
    Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 <
    3ce8f3057c51bb0a66aa3fab0862be74e9f88684
  - >-
    Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 <
    a9b83f46e52cf1239d780920d1a7a3e415f7b5d9
  - >-
    Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 <
    6047dc542fa404b5c187cc2c7906aaaaec6d11ed
  - >-
    Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 <
    6c22a6d8e4c1507bba504aeebe80476144a373eb
  - >-
    Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 <
    d51c60a498e83c9a79884c8e420f97e3885c9583
  - Linux 2.6.32
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T16:12:41.748726Z'
published: '2026-05-28'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T16:13:45.966Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-46235'
references:
  - url: 'https://git.kernel.org/stable/c/23dee5990d2c27ed79567fd61ccfe6876768531a'
  - url: 'https://git.kernel.org/stable/c/3ce8f3057c51bb0a66aa3fab0862be74e9f88684'
  - url: 'https://git.kernel.org/stable/c/a9b83f46e52cf1239d780920d1a7a3e415f7b5d9'
  - url: 'https://git.kernel.org/stable/c/6047dc542fa404b5c187cc2c7906aaaaec6d11ed'
  - url: 'https://git.kernel.org/stable/c/6c22a6d8e4c1507bba504aeebe80476144a373eb'
  - url: 'https://git.kernel.org/stable/c/d51c60a498e83c9a79884c8e420f97e3885c9583'
tags:
  - cve.org
epss: 0.00119
epssPercentile: 0.0178
ingestedAt: '2026-11-06T16:57:43.321Z'
---

## Overview

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

media: saa7164: add ioremap return checks and cleanups

Add checks for ioremap return values in saa7164_dev_setup(). If
ioremap for BAR0 or BAR2 fails, release the already allocated PCI
memory regions, remove the device from the global list, decrement
the device count, and return -ENODEV.

This prevents potential null pointer dereferences and ensures proper
cleanup on memory mapping failures.

## Affected

- `Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 < 23dee5990d2c27ed79567fd61ccfe6876768531a`
- `Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 < 3ce8f3057c51bb0a66aa3fab0862be74e9f88684`
- `Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 < a9b83f46e52cf1239d780920d1a7a3e415f7b5d9`
- `Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 < 6047dc542fa404b5c187cc2c7906aaaaec6d11ed`
- `Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 < 6c22a6d8e4c1507bba504aeebe80476144a373eb`
- `Linux >= 443c1228d50518f3c550e1fef490a2c9d9246ce7 < d51c60a498e83c9a79884c8e420f97e3885c9583`
- `Linux 2.6.32`

## Remediation

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