Linux Kernel RTNL Handling Vulnerability in Bridge Device Management

Vulnerability

A vulnerability in the Linux kernel's network subsystem has been addressed, specifically related to the management of bridge devices. The issue arose from an unnecessary 'RTNL dance'—a reference to the handling of the Read/Write Network Lock—when adding or removing interfaces from a bridge. This could lead to a race condition where one thread could interfere with another's operation, causing delays and potential errors in network device management.

Impact

The vulnerability could cause a race condition in network device management, leading to delays and errors when attaching or detaching devices from network bridges.

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
3.1
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.