Linux kernel: imx8mp-blk-ctrl keeps NOC_HDCP clock enabled to avoid hang
CVE-2026-31655 Published on April 24, 2026
pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled
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.
Products Associated with CVE-2026-31655
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Affected Versions
Linux:- Version 77b0ddb42add47748c661f714e6f4b116a6e8759 and below 80fd0de89805a3f92dc320f5ab5a18007c260374 is affected.
- Version 77b0ddb42add47748c661f714e6f4b116a6e8759 and below 3086374e8bc7fd65f2cc62ef52351c6d662f1543 is affected.
- Version 77b0ddb42add47748c661f714e6f4b116a6e8759 and below e44919669f07b8f113ad49a248b44ca4f119bc94 is affected.
- Version 77b0ddb42add47748c661f714e6f4b116a6e8759 and below d1ef779d02b5df4e8bff4083b20bfea587b43c4b is affected.
- Version 77b0ddb42add47748c661f714e6f4b116a6e8759 and below e91d5f94acf68618ea3ad9c92ac28614e791ae7d is affected.
- Version 6.1 is affected.
- Before 6.1 is unaffected.
- Version 6.6.135, <= 6.6.* is unaffected.
- Version 6.12.82, <= 6.12.* is unaffected.
- Version 6.18.23, <= 6.18.* is unaffected.
- Version 6.19.13, <= 6.19.* is unaffected.
- Version 7.0, <= * is unaffected.