Harmonyos
CVE-2021-22463
MEDIUM
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
1DescriptionNVD
A component of the HarmonyOS has a Use After Free vulnerability . Local attackers may exploit this vulnerability to cause Kernel Information disclosure.
AnalysisAI
A component of the HarmonyOS has a Use After Free vulnerability . Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. A component of the HarmonyOS has a Use After Free vulnerability . Local attackers may exploit this vulnerability to cause Kernel Information disclosure. Affected products include: Huawei Harmonyos.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.
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Same weakness CWE-416 – Use After Free
View allSame technique Use After Free
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External POC / Exploit Code
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