Volerion logoVolerion
Volerion logoVolerion

Linux Kernel UDP Checksum Initialization Vulnerability in Netpoll

Vulnerability

A vulnerability in the Linux kernel's netpoll feature has been addressed, related to the handling of UDP checksum fields. The issue arose because a previous commit removed the proper initialization of the UDP checksum, leading to incorrect checksumming that disrupted netpoll's IPv6 transmission. The checksum field must be set before invoking the IPv6 checksum calculation to ensure proper packet handling.

Impact

The vulnerability could cause improper UDP packet transmission over IPv6, potentially leading to communication issues or data corruption.

Added: Jul 25, 2025, 4:09 PM
Updated: Jul 25, 2025, 4:09 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
0.0
exploitability
5.3
remediation
0.0
relevance
0.3
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.