Memory Allocation Vulnerability in Samsung Mobile and Wearable Processors

CVE-2025-58340

What is CVE-2025-58340?

A vulnerability has been identified in the Wi-Fi driver of several Samsung Mobile and Wearable Processors, which includes the Exynos series up to 2200 and related models. This issue arises due to unbounded memory allocation stemming from a large buffer during write operations to /proc/driver/unifi0/send_delts. This problem can lead to kernel memory exhaustion, posing risks to system stability and performance. Users of affected processors should take necessary precautions and keep an eye on updates from Samsung.

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