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CVE-2025-39770 net: gso: Forbid IPv6 TSO with extensions on devices with only IPV6_CSUM

🗓️ 11 Sep 2025 16:56:24Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Disable IPv6 checksum offload for IPv6 extension TSO on devices advertising only IPv6_CSUM; BIG TCP exception.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/dev.c"
    ],
    "versions": [
      {
        "version": "a84978a9cda68f0afe3f01d476c68db21526baf1",
        "lessThan": "a0478d7e888028f85fa7785ea838ce0ca09398e2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c69bc67c1cb211aa390bea6e512bb01b1241fefb",
        "lessThan": "2156d9e9f2e483c8c3906c0ea57ea312c1424235",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "04c20a9356f283da623903e81e7c6d5df7e4dc3c",
        "lessThan": "041e2f945f82fdbd6fff577b79c33469430297aa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "04c20a9356f283da623903e81e7c6d5df7e4dc3c",
        "lessThan": "794ddbb7b63b6828c75967b9bcd43b086716e7a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "04c20a9356f283da623903e81e7c6d5df7e4dc3c",
        "lessThan": "864e3396976ef41de6cc7bc366276bf4e084fff2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bcefc3cd7f592a70fcbbbfd7ad1fbc69172ea78b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "477b35d94a21530046fe91589960732fcf2b29ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a27a5c40ee4cbe00294e2c76160de5f2589061ba",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9f605135a5c0fe614c2b15197b9ced1e217eca59",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "705350fbd6ed4b5d89ee045fa57a0594a72b17d7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.116",
        "lessThan": "6.1.149",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.60",
        "lessThan": "6.6.103",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.19.323",
        "lessThan": "4.20",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.4.285",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.10.229",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.171",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.11.7",
        "lessThan": "6.12",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/dev.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.149",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.103",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.44",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.4",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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