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Samsung Exynos Processors Unbounded Memory Allocation Vulnerability in Wi-Fi Driver Leading to Kernel Memory Exhaustion

Vulnerability

A vulnerability exists in the Wi-Fi driver of several Samsung Mobile and Wearable Processors, including Exynos 980, 850, 1080, 1280, 2200, 1330, 1380, 1480, 1580, W920, W930, and W1000. The issue arises from unbounded memory allocation caused by a large buffer in a specific write operation, which leads to exhaustion of kernel memory.

Impact

Exploitation of this vulnerability causes exhaustion of kernel memory, which can lead to a denial-of-service condition on the affected device.

Added: Feb 3, 2026, 6:52 PM
Updated: Feb 3, 2026, 6:52 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
0.8
exploitability
3.3
remediation
0.0
relevance
2.5
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.