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OpenHarmony Kernel Integer Overflow Vulnerability Leading to Denial-of-Service

Vulnerability

An integer overflow vulnerability has been identified in the OpenHarmony kernel (liteos_a) in versions through 5.0.3. This vulnerability allows a local attacker to cause a denial-of-service condition.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing the system to become unresponsive or unavailable.

Remediation

Users can apply the patch available in the OpenHarmony kernel_liteos_a repository, specifically in the 5.1.0.x and 5.0.3.x branches.

Added: May 19, 2026, 4:44 AM
Updated: May 19, 2026, 4:44 AM

Vulnerability Rating

Custom Algorithm
spread
5.4
impact
2.5
exploitability
3.3
remediation
7.7
relevance
8.6
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.