Null Pointer Dereference in Linux Kernel ALSA AD1816A Sound Card Driver

CVE-2025-38454

What is CVE-2025-38454?

A vulnerability was discovered in the ALSA AD1816A sound card driver within the Linux kernel, which can lead to a potential null pointer dereference. This issue arises when the 'pdev' object is NULL, which could cause the system to crash or behave unpredictably. The recommended fix involves using pr_warn() instead of dev_warn() to ensure safer error handling, thereby enhancing the robustness of the driver and preventing the crash associated with the NULL pointer dereference.

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