NULL Pointer Dereference in Linux Kernel Affecting Qualcomm Gcc-sm6350 Clock Management

CVE-2024-58076

What is CVE-2024-58076?

A vulnerability in the Linux kernel's clock management for Qualcomm's gcc-sm6350 has been identified, where a missing parent_map property for two clocks leads to a NULL pointer dereference when calling clk_set_rate. The lack of a defined parent_map when a clk_rcg2 has a parent results in potential system instability and crashes, disrupting the overall functionality of clock handling. The correction involves adding the parent_map property and ensuring the parent_data is aligned with its counterpart, thereby preventing future occurrences of this issue.

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