Linux Kernel Vulnerability Affecting imx8mp-blk-ctrl Component

CVE-2026-31655

What is CVE-2026-31655?

The Linux kernel contains a vulnerability in the imx8mp-blk-ctrl component related to the management of the NOC_HDCP clock. This issue can lead to potential system hangs during the power-down handshake of the NoC ADB400 port. The fix requires ensuring that the NOC_HDCP clock remains enabled, effectively preventing interruptions in system operation due to improper clock management.

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