CVE-2025-38432 — net: netpoll: Initialize UDP checksum field before checksumming
In the Linux kernel, the following vulnerability has been resolved: net: netpoll: Initialize UDP checksum field before checksumming commit f1fce08e63fe ("netpoll: Eliminate re…
Published: 2025-07-25 · CVSS: Unscored
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().
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7