Executive brief
A race condition vulnerability exists in the Inter-Process Communication (IPC) module of Huawei HarmonyOS, which is used by smartphones, tablets, and smartwatches to manage data exchange between different applications and services. If exploited, this flaw could allow an attacker to disrupt the device's stability or potentially access sensitive information. This could lead to service outages or unauthorized data exposure on affected mobile and wearable devices.
Technical details
A race condition vulnerability exists in the Inter-Process Communication (IPC) module of Huawei HarmonyOS. The vulnerability is categorized as a Use-After-Free (CWE-416) issue, occurring when the system fails to properly synchronize concurrent operations within the IPC framework. An attacker with low privileges can exploit this over a network, though the attack complexity is high due to the timing requirements of a race condition. Successful exploitation can lead to a crash (denial of service) or potentially arbitrary code execution, impacting the confidentiality, integrity, and availability of the system. The issue is addressed in the June 2026 security updates for HarmonyOS versions 5.1.0, 6.0.0, and 6.1.0.
Affected products
- Huawei HarmonyOS 6.1.0, 6.0.0, 5.1.0
Timeline
- 2026-06-05: advisory: Huawei published the security bulletin.
- 2026-06-09: disclosed: CVE published in the National Vulnerability Database (NVD).