CVE-2026-34855

Received Received - Intake

Out-of-Bounds Write in Kernel Module Affecting Availability, Confidentiality

Publication date: 2026-04-13

Last updated on: 2026-04-17

Assigner: Huawei Technologies

Description

Out-of-bounds write vulnerability in the kernel module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-04-13

Last Modified

2026-04-17

Generated

2026-07-06

AI Q&A

2026-04-13

EPSS Evaluated

2026-07-05

NVD

CVE-2026-34855

EUVD

EUVD-2026-21832

Affected Vendors & Products

Vendor	Product	Version / Range
huawei	harmonyos	4.0.0
huawei	harmonyos	4.2.0
huawei	harmonyos	4.3.0
huawei	harmonyos	5.1.0
huawei	harmonyos	4.3.1
huawei	harmonyos	6.0.0
huawei	emui	14.0.0
huawei	emui	15.0.0
huawei	emui	14.2.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds write issue in the kernel module. It means that the kernel module writes data outside the boundaries of allocated memory, which can lead to unexpected behavior or system instability.

Impact Analysis

Successful exploitation of this vulnerability can impact the availability and confidentiality of the affected system.

Compliance Impact

The vulnerability affects availability and confidentiality, which are critical components in compliance with standards such as GDPR and HIPAA.

A successful exploitation could lead to unauthorized disclosure or denial of service, potentially causing non-compliance with regulations that require protection of personal data and system availability.

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