Huawei HarmonyOS Buffer Overflow Vulnerability in Kernel Drop Detection Module

A buffer overflow vulnerability has been identified in the kernel drop detection module of Huawei HarmonyOS. This issue arises from inadequate data validation, which could be exploited to disrupt the normal functioning of the device. The vulnerability affects multiple versions of HarmonyOS, including HarmonyOS4.0.0, HarmonyOS3.1.0, HarmonyOS3.0.0, EMUI 14.0.0, EMUI 13.0.0, and is part of a broader set of vulnerabilities addressed in the August 2025 security update.

Impact

Exploitation of this vulnerability can lead to a buffer overflow, potentially allowing for arbitrary code execution or causing a denial-of-service condition by crashing the device or application.

Remediation

Users can apply the August 2025 security update to address this vulnerability.