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CVE PROGRAM SOURCE RECORDUnscored

CVE-2025-38432

net: netpoll: Initialize UDP checksum field before checksumming

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Status
Published
Published
Updated
Assigning organization
Linux

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • f1fce08e63fe1a2a8b8106b93b7244a39830edae to < 353016ec159f939a380ff6746476a779367ba9a3affected
  • f1fce08e63fe1a2a8b8106b93b7244a39830edae to < f5990207026987a353d5a95204c4d9cb725637fdaffected

Linux Linux

Default version status: affected

  • 6.15affected
  • 0 to < 6.15unaffected
  • 6.15.5 to ≤ 6.15.*unaffected
  • 6.16 to ≤ *unaffected

References