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VulnerabilityPublished Updated

CVE-2026-31655: Linux kernel · pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in e44919669f07b8f113ad49a248b44ca4f119bc94 : update Linux kernel when convenient.

Data as of 30 Oct 2026, 12:49 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none
Patch
Available – fixed in e44919669f07b8f113ad49a248b44ca4f119bc94, e91d5f94acf68618ea3ad9c92ac28614e791ae7d, d215b525ace9af310b26a24232289770d5834dc3 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 77b0ddb42add47748c661f714e6f4b116a6e8759, < e44919669f07b8f113ad49a248b44ca4f119bc94
Fixed in
  • e44919669f07b8f113ad49a248b44ca4f119bc94
LinuxLinuxAffected
  • ≥ 77b0ddb42add47748c661f714e6f4b116a6e8759, < e91d5f94acf68618ea3ad9c92ac28614e791ae7d
Fixed in
  • e91d5f94acf68618ea3ad9c92ac28614e791ae7d
LinuxLinuxAffected
  • ≥ 77b0ddb42add47748c661f714e6f4b116a6e8759, < d215b525ace9af310b26a24232289770d5834dc3
Fixed in
  • d215b525ace9af310b26a24232289770d5834dc3
LinuxLinuxAffected
  • ≥ 77b0ddb42add47748c661f714e6f4b116a6e8759, < d1ef779d02b5df4e8bff4083b20bfea587b43c4b
Fixed in
  • d1ef779d02b5df4e8bff4083b20bfea587b43c4b
LinuxLinuxAffected
  • ≥ 77b0ddb42add47748c661f714e6f4b116a6e8759, < 3086374e8bc7fd65f2cc62ef52351c6d662f1543
Fixed in
  • 3086374e8bc7fd65f2cc62ef52351c6d662f1543
LinuxLinuxAffected
  • ≥ 77b0ddb42add47748c661f714e6f4b116a6e8759, < 80fd0de89805a3f92dc320f5ab5a18007c260374
Fixed in
  • 80fd0de89805a3f92dc320f5ab5a18007c260374

AI-suggested

A fix is available and has been applied in the Linux kernel as indicated by the listed commit hashes. Users should update their Linux kernel to a version that includes these commits to resolve the issue.

Description

A vulnerability in the Linux kernel related to the imx8mp-blk-ctrl power management domain has been resolved by ensuring the NOC_HDCP clock remains enabled. This fix addresses a potential system hang caused by the NoC ADB400 port power down handshake.

References

Community reviews

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