---
id: CVE-2026-31655
title: 'pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled

  Keep the NOC_HDCP clock always enabled to fix the potential hang
  caused by the NoC ADB400 port power down ha…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 <
    d215b525ace9af310b26a24232289770d5834dc3
  - >-
    Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 <
    80fd0de89805a3f92dc320f5ab5a18007c260374
  - >-
    Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 <
    3086374e8bc7fd65f2cc62ef52351c6d662f1543
  - >-
    Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 <
    e44919669f07b8f113ad49a248b44ca4f119bc94
  - >-
    Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 <
    d1ef779d02b5df4e8bff4083b20bfea587b43c4b
  - >-
    Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 <
    e91d5f94acf68618ea3ad9c92ac28614e791ae7d
  - Linux 6.1
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T15:23:31.738508Z'
published: '2026-04-24'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T15:32:21.361Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-31655'
references:
  - url: 'https://git.kernel.org/stable/c/d215b525ace9af310b26a24232289770d5834dc3'
  - url: 'https://git.kernel.org/stable/c/80fd0de89805a3f92dc320f5ab5a18007c260374'
  - url: 'https://git.kernel.org/stable/c/3086374e8bc7fd65f2cc62ef52351c6d662f1543'
  - url: 'https://git.kernel.org/stable/c/e44919669f07b8f113ad49a248b44ca4f119bc94'
  - url: 'https://git.kernel.org/stable/c/d1ef779d02b5df4e8bff4083b20bfea587b43c4b'
  - url: 'https://git.kernel.org/stable/c/e91d5f94acf68618ea3ad9c92ac28614e791ae7d'
tags:
  - cve.org
epss: 0.00114
epssPercentile: 0.01496
ingestedAt: '2026-11-05T15:02:32.237Z'
---

## Overview

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

pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled

Keep the NOC_HDCP clock always enabled to fix the potential hang
caused by the NoC ADB400 port power down handshake.

## Affected

- `Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 < d215b525ace9af310b26a24232289770d5834dc3`
- `Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 < 80fd0de89805a3f92dc320f5ab5a18007c260374`
- `Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 < 3086374e8bc7fd65f2cc62ef52351c6d662f1543`
- `Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 < e44919669f07b8f113ad49a248b44ca4f119bc94`
- `Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 < d1ef779d02b5df4e8bff4083b20bfea587b43c4b`
- `Linux >= 77b0ddb42add47748c661f714e6f4b116a6e8759 < e91d5f94acf68618ea3ad9c92ac28614e791ae7d`
- `Linux 6.1`

## Remediation

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