Huawei HarmonyOS Buffer Overflow Vulnerability (CNVD-2022-64981)

Huawei HarmonyOS is an operating system from Huawei (China). HarmonyOS version 2.0 contains a buffer overflow vulnerability that stems from the fact that the HW_KEYMASTER module does not perform a legitimacy check on the key format, which can be exploited to cause out-of-bounds access.