What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-24 · updated 2026-10-30

Description

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 products

• Linux kernel: from 6.1.1 before 6.6.135; from 6.7 before 6.12.82; from 6.13 before 6.18.23; from 6.19 before 6.19.13; 7.0-rc1, 7.0-rc2, 7.0-rc3, 7.0-rc4, 7.0-rc5, 7.0-rc6 (+1); 6.1 — fixed in 6.6.135, 6.12.82, 6.18.23, 6.19.13
• Linux: 6.1 — fixed in 7.0

How to fix

Upgrade to a fixed version: Linux kernel 6.6.135, 6.12.82, 6.18.23, 6.19.13; Linux 7.0. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3086374e8bc7fd65f2cc62ef52351c6d662f1543
• https://git.kernel.org/stable/c/80fd0de89805a3f92dc320f5ab5a18007c260374
• https://git.kernel.org/stable/c/d1ef779d02b5df4e8bff4083b20bfea587b43c4b
• https://git.kernel.org/stable/c/d215b525ace9af310b26a24232289770d5834dc3
• https://git.kernel.org/stable/c/e44919669f07b8f113ad49a248b44ca4f119bc94
• https://git.kernel.org/stable/c/e91d5f94acf68618ea3ad9c92ac28614e791ae7d

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