A race condition exists in the event notification module of Huawei HarmonyOS, allowing an attacker to manipulate event timing and potentially corrupt the notification handling. The flaw can cause services to crash or become unresponsive, resulting in a loss of availability for affected applications.

Huawei HarmonyOS devices are affected. No specific version information is provided in the advisory.

The CVSS base score of 2.2 indicates low severity, yet the availability impact warrants attention. The exploit probability score is unavailable, and the vulnerability is not listed in the CISA known exploited vulnerabilities catalog. Based on the description, the likely attack vector involves local or privileged execution where an attacker can influence event timing to trigger the race condition. No additional exploitation conditions are detailed in the advisory.