NULL Pointer Dereference Vulnerability in Linux Kernel Firmware by Qualcomm

CVE-2024-57852

Summary

A significant vulnerability in the Linux kernel firmware related to Qualcomm's secure communication management (SCM) has been identified. This issue arises when the function qcom_scm_get_tzmem_pool() fails to return a valid memory pool, returning NULL instead. It emphasizes the necessity for developers to implement proper handling mechanisms to avoid a potential system crash or instability. The vulnerability was resolved in a recent commit, ensuring that all consumers of this function properly address scenarios where a NULL pointer is returned to enhance overall system security and reliability.

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