Medium severity5.5NVD Advisory· Published Jul 25, 2025· Updated Jun 17, 2026
CVE-2025-38432
CVE-2025-38432
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().
Affected products
3Patches
Vulnerability mechanics
References
2News mentions
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