Linux Kernel Bluetooth EIR Handling Vulnerability Leading to Potential Crashes

Vulnerability

A vulnerability in the Linux kernel's Bluetooth implementation has been addressed, which could lead to crashes. The issue arose in the Enhanced Inquiry Response (EIR) data handling, specifically within the 'eir_create_adv_data' function. This function may have tried to include EIR_FLAGS and EIR_TX_POWER attributes without verifying whether there was sufficient space to accommodate them.

Impact

The vulnerability could cause a crash by creating a buffer overflow situation, where the program tries to write more data than a buffer can hold, potentially leading to memory corruption.

Added: Jul 10, 2025, 8:54 AM
Updated: Jul 10, 2025, 8:54 AM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
5.3
remediation
0.0
relevance
0.2
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.