Linux Kernel Vulnerability in GPIO Management

CVE-2026-46258

What is CVE-2026-46258?

A vulnerability in the Linux kernel's GPIO management was identified in the linehandle_create() function, where a NULL pointer dereference could lead to system instability. The issue arises when attempting to print a debug statement for a handle that could be NULL, resulting in a crash. The resolution involves leveraging the existing handlereq.lines value to avoid the dereference, enhancing the reliability of the GPIO management functionality.

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