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Linux Kernel HID Winwing NULL Pointer Dereference Vulnerability

Vulnerability

A vulnerability in the Linux kernel's HID Winwing driver has been addressed by adding a NULL pointer check in the 'winwing_init_led()' function. The original implementation did not verify the return value of 'devm_kasprintf()', which could lead to a NULL pointer dereference. This issue has been resolved by incorporating the necessary NULL check to prevent potential kernel crashes.

Impact

The vulnerability could lead to a kernel NULL pointer dereference, causing a system crash or instability.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
4.0
remediation
0.0
relevance
0.0
threat
3.2
urgency
2.9
incentive
1.7

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