Security Advisory

CVE-2025-38432

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-07-25 14:24:13

Last updated 2026-05-11 21:27:52

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: Initialize UDP checksum field before checksumming commit f1fce08e63fe ("netpoll: Eliminate redundant assignment") removed the initialization of the UDP checksum, which was wrong and broke netpoll IPv6 transmission due to bad checksumming. udph->check needs to be set before calling csum_ipv6_magic().

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