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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.0.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "HarmonyOS", "source": "cna", "vendor": "Huawei"}, "product": "harmonyos", "vendor": "huawei"}], "analysis": {"en": {"generated_at": "2026-04-16T12:29:22.187554+00:00", "value": {"mitigation_remediation": ["Install the firmware update released by Huawei for HarmonyOS\u00a06.0.0 that resolves the race condition in the security control module (see the March\u00a02026 consumer bulletin).", "Reboot the device after applying the update to activate the new code path and clear any stale states.", "Restrict or remove third\u2011party applications that request elevated privileges on the security control module, limiting opportunities for race condition triggers.", "Enable detailed system logging for the security control module and monitor for abnormal service restarts or failures that may indicate exploitation attempts."], "summary": {"action": "Patch", "impact": "Availability"}, "threat_synthesis": {"affected_systems": "The issue is reported for Huawei HarmonyOS version\u00a06.0.0. It is likely relevant to any build that contains the unpatched security control module and has not yet applied the official firmware update.", "description_and_impact": "A race condition has been identified within the security control module of Huawei HarmonyOS, which could allow an attacker to manipulate the timing of concurrent operations and cause the affected service to fail or become unavailable. The vulnerability is classified as CWE\u2011362 and CWE\u2011840, indicating improper handling of shared resources under concurrent conditions. Successful exploitation could lead to denial of service conditions, interrupting normal device operation.", "risk_and_exploitability": "The base CVSS score of 4.0 indicates low severity, and the EPSS score of less than 1\u202f% indicates a very low probability of exploitation at the time of analysis. The vulnerability is not listed in the CISA KEV catalog. Because the race condition involves shared system resources, the likely attack vector would be local or privileged, requiring an attacker to gain elevated access or force concurrent requests. Overall risk remains low but patching is recommended to prevent service disruption."}}}}, "created": "2026-03-06T15:07:56.927430+00:00", "title": "Race Condition in HarmonyOS Security Control Module Leading to Availability Impact", "updated": "2026-04-16T12:30:06.122931+00:00", "vendors": ["huawei", "huawei$PRODUCT$harmonyos"]}