CVE-2025-38432
net: netpoll: Initialize UDP checksum field before checksumming
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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().
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 25, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
f1fce08e63fe1a2a8b8106b93b7244a39830edae < 353016ec159f939a380ff6746476a779367ba9a3 f1fce08e63fe1a2a8b8106b93b7244a39830edae < f5990207026987a353d5a95204c4d9cb725637fd
Linux / Linux
6.15