Volerion logoVolerion
Volerion logoVolerion

Linux Kernel Netdevsim NAPI Completion Vulnerability

Vulnerability

A vulnerability in the Linux kernel's netdevsim component has been addressed. The issue arose because netdevsim supports netpoll, and there was a risk of calling 'napi_complete()' prematurely, which could lead to warnings about incomplete NAPI (Network API) processing. This problem was reported by Breno, who encountered a warning related to 'napi_complete_done()' after netpoll interfered with the scheduling of NAPI operations.

Impact

The vulnerability could cause improper handling of NAPI, potentially leading to performance issues or degraded network processing.

Added: Jul 10, 2025, 10:08 AM
Updated: Jul 10, 2025, 10:08 AM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
5.0
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.