{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "f1fce08e63fe1a2a8b8106b93b7244a39830edae"
            },
            {
              "fixed": "353016ec159f939a380ff6746476a779367ba9a3"
            },
            {
              "fixed": "f5990207026987a353d5a95204c4d9cb725637fd"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38432.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: netpoll: Initialize UDP checksum field before checksumming\n\ncommit f1fce08e63fe (\"netpoll: Eliminate redundant assignment\") removed\nthe initialization of the UDP checksum, which was wrong and broke\nnetpoll IPv6 transmission due to bad checksumming.\n\nudph-\u003echeck needs to be set before calling csum_ipv6_magic().",
  "id": "CVE-2025-38432",
  "modified": "2026-04-01T23:10:05.413916811Z",
  "published": "2025-07-25T14:24:13.766Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/353016ec159f939a380ff6746476a779367ba9a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f5990207026987a353d5a95204c4d9cb725637fd"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38432.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38432"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "net: netpoll: Initialize UDP checksum field before checksumming"
}