{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2025-39718",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-39718",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-05T17:21:25.959Z",
    "updatedAt": "2026-10-15T22:02:30.928Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "vsock/virtio: Validate length in packet header before skb_put()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nvsock/virtio: Validate length in packet header before skb_put()\n\nWhen receiving a vsock packet in the guest, only the virtqueue buffer\nsize is validated prior to virtio_vsock_skb_rx_put(). Unfortunately,\nvirtio_vsock_skb_rx_put() uses the length from the packet header as the\nlength argument to skb_put(), potentially resulting in SKB overflow if\nthe host has gone wonky.\n\nValidate the length as advertised by the packet header before calling\nvirtio_vsock_skb_rx_put().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "baddcc2c71572968cdaeee1c4ab3dc0ad90fa765",
              "status": "affected",
              "versionType": "git",
              "lessThan": "969b06bd8b7560efb100a34227619e7d318fbe05"
            },
            {
              "version": "71dc9ec9ac7d3eee785cdc986c3daeb821381e20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ee438c492b2e0705d819ac0e25d04fae758d8f8f"
            },
            {
              "version": "71dc9ec9ac7d3eee785cdc986c3daeb821381e20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "faf332a10372390ce65d0b803888f4b25a388335"
            },
            {
              "version": "71dc9ec9ac7d3eee785cdc986c3daeb821381e20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "676f03760ca1d69c2470cef36c44dc152494b47c"
            },
            {
              "version": "71dc9ec9ac7d3eee785cdc986c3daeb821381e20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0dab92484474587b82e8e0455839eaf5ac7bf894"
            },
            {
              "version": "6.1.63",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.149"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.3"
            },
            {
              "version": "6.1.149",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.103",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.44",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.16.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.16.*"
            },
            {
              "version": "6.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}