---
id: CVE-2026-46091
title: 'media: rc: igorplugusb: heed coherency rules'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  media: rc: igorplugusb: heed coherency rules

  In a control request, the USB request structure
  can be subject to DMA on some HCs. Hence it must obey
  the rules for DMA co…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 <
    bc04b8633b375af6ac8a8bb615258b80fe06cdaa
  - >-
    Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 <
    81f0fb813e4bf28b3ca28dc218938a32eb48f740
  - >-
    Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 <
    0e84aa8fc23c7578f105e3a2160f9d0aa2bed79a
  - >-
    Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 <
    18d6a7c9e4e63c57157e9a57dd9bf3cd38e4c45a
  - >-
    Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 <
    0be8fcd9005e3d3b5a61fe34b070a9663adbb4dc
  - >-
    Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 <
    0adac0ee2c42027d80bac02ea9b576a88f8955d3
  - >-
    Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 <
    a62ca67e3c72fb297dc7c86495ba8f7329d7f150
  - >-
    Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 <
    eac69475b01fe1e861dfe3960b57fa95671c132e
  - Linux 3.19
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T16:08:15.253184Z'
published: '2026-05-27'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T16:13:37.361Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-46091'
references:
  - url: 'https://git.kernel.org/stable/c/bc04b8633b375af6ac8a8bb615258b80fe06cdaa'
  - url: 'https://git.kernel.org/stable/c/81f0fb813e4bf28b3ca28dc218938a32eb48f740'
  - url: 'https://git.kernel.org/stable/c/0e84aa8fc23c7578f105e3a2160f9d0aa2bed79a'
  - url: 'https://git.kernel.org/stable/c/18d6a7c9e4e63c57157e9a57dd9bf3cd38e4c45a'
  - url: 'https://git.kernel.org/stable/c/0be8fcd9005e3d3b5a61fe34b070a9663adbb4dc'
  - url: 'https://git.kernel.org/stable/c/0adac0ee2c42027d80bac02ea9b576a88f8955d3'
  - url: 'https://git.kernel.org/stable/c/a62ca67e3c72fb297dc7c86495ba8f7329d7f150'
  - url: 'https://git.kernel.org/stable/c/eac69475b01fe1e861dfe3960b57fa95671c132e'
tags:
  - cve.org
epss: 0.00123
epssPercentile: 0.0206
ingestedAt: '2026-11-06T16:57:43.339Z'
---

## Overview

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

media: rc: igorplugusb: heed coherency rules

In a control request, the USB request structure
can be subject to DMA on some HCs. Hence it must obey
the rules for DMA coherency. Allocate it separately.

## Affected

- `Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 < bc04b8633b375af6ac8a8bb615258b80fe06cdaa`
- `Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 < 81f0fb813e4bf28b3ca28dc218938a32eb48f740`
- `Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 < 0e84aa8fc23c7578f105e3a2160f9d0aa2bed79a`
- `Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 < 18d6a7c9e4e63c57157e9a57dd9bf3cd38e4c45a`
- `Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 < 0be8fcd9005e3d3b5a61fe34b070a9663adbb4dc`
- `Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 < 0adac0ee2c42027d80bac02ea9b576a88f8955d3`
- `Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 < a62ca67e3c72fb297dc7c86495ba8f7329d7f150`
- `Linux >= b1c97193c6437a6083da67f8e97c8ee29b2f1989 < eac69475b01fe1e861dfe3960b57fa95671c132e`
- `Linux 3.19`

## Remediation

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