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Linux Kernel NULL Pointer Dereference Vulnerability in w1_uart_probe Function

Vulnerability

A NULL pointer dereference vulnerability has been identified in the Linux kernel within the w1_uart_probe() function. This issue arises because w1_uart_serdev_open() is called before the client operations are set, leading to a NULL pointer dereference in the serdev controller's receive_buf handler. The vulnerability is present in several Linux kernel versions.

Impact

Exploitation of this vulnerability leads to a NULL pointer dereference, causing a crash or denial-of-service condition.

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.