CVE-2026-34854: CWE-416 Use after free in Huawei HarmonyOS
UAF vulnerability in the kernel module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
AI Analysis
Technical Summary
This vulnerability is a use-after-free issue (CWE-416) in the kernel module of Huawei HarmonyOS versions 4.0.0 through 6.0.0. Successful exploitation could lead to a compromise of system availability and confidentiality. The CVSS 3.1 vector indicates the attack requires local access with high attack complexity and privileges, no user interaction, and impacts confidentiality and availability but not integrity. No vendor advisory or patch information is currently provided.
Potential Impact
Successful exploitation may cause denial of service (availability impact) and unauthorized disclosure of information (confidentiality impact) on affected Huawei HarmonyOS devices. The vulnerability does not affect integrity according to the CVSS vector. Exploitation requires local access with high privileges and has high complexity, limiting the attack surface.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation is currently documented, users should monitor Huawei's security advisories for updates. Until a patch is available, limiting local privileged access may reduce risk.
CVE-2026-34854: CWE-416 Use after free in Huawei HarmonyOS
Description
UAF vulnerability in the kernel module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a use-after-free issue (CWE-416) in the kernel module of Huawei HarmonyOS versions 4.0.0 through 6.0.0. Successful exploitation could lead to a compromise of system availability and confidentiality. The CVSS 3.1 vector indicates the attack requires local access with high attack complexity and privileges, no user interaction, and impacts confidentiality and availability but not integrity. No vendor advisory or patch information is currently provided.
Potential Impact
Successful exploitation may cause denial of service (availability impact) and unauthorized disclosure of information (confidentiality impact) on affected Huawei HarmonyOS devices. The vulnerability does not affect integrity according to the CVSS vector. Exploitation requires local access with high privileges and has high complexity, limiting the attack surface.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation is currently documented, users should monitor Huawei's security advisories for updates. Until a patch is available, limiting local privileged access may reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-03-31T01:11:13.700Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69dc7c4582d89c981f24c1d0
Added to database: 4/13/2026, 5:16:53 AM
Last enriched: 4/13/2026, 5:33:08 AM
Last updated: 4/14/2026, 6:05:22 AM
Views: 10
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