{
  "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-2024-49948",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-49948",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-10-21T18:02:05.121Z",
    "updatedAt": "2026-10-15T00:54:48.613Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "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": "net: add more sanity checks to qdisc_pkt_len_init()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: add more sanity checks to qdisc_pkt_len_init()\n\nOne path takes care of SKB_GSO_DODGY, assuming\nskb->len is bigger than hdr_len.\n\nvirtio_net_hdr_to_skb() does not fully dissect TCP headers,\nit only make sure it is at least 20 bytes.\n\nIt is possible for an user to provide a malicious 'GSO' packet,\ntotal length of 80 bytes.\n\n- 20 bytes of IPv4 header\n- 60 bytes TCP header\n- a small gso_size like 8\n\nvirtio_net_hdr_to_skb() would declare this packet as a normal\nGSO packet, because it would see 40 bytes of payload,\nbigger than gso_size.\n\nWe need to make detect this case to not underflow\nqdisc_skb_cb(skb)->pkt_len.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1def9238d4aa2146924994aa4b7dc861f03b9362",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d7d1a28f5dd57b4d83def876f8d7b4403bd37df9"
            },
            {
              "version": "1def9238d4aa2146924994aa4b7dc861f03b9362",
              "status": "affected",
              "versionType": "git",
              "lessThan": "473426a1d53a68dd1e718e6cd00d57936993fa6c"
            },
            {
              "version": "1def9238d4aa2146924994aa4b7dc861f03b9362",
              "status": "affected",
              "versionType": "git",
              "lessThan": "566a931a1436d0e0ad13708ea55479b95426213c"
            },
            {
              "version": "1def9238d4aa2146924994aa4b7dc861f03b9362",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2415f465730e48b6e38da1c7c097317bf5dd2d20"
            },
            {
              "version": "1def9238d4aa2146924994aa4b7dc861f03b9362",
              "status": "affected",
              "versionType": "git",
              "lessThan": "27a8fabc54d2f960d47bdfbebf2bdc6e8a92a4c4"
            },
            {
              "version": "1def9238d4aa2146924994aa4b7dc861f03b9362",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9b0ee571d20a238a22722126abdfde61f1b2bdd0"
            },
            {
              "version": "1def9238d4aa2146924994aa4b7dc861f03b9362",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ff1c3cadcf405ab37dd91418a62a7acecf3bc5e2"
            },
            {
              "version": "1def9238d4aa2146924994aa4b7dc861f03b9362",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1eebe602a8d8264a12e35e39d0645fa88dbbacdd"
            },
            {
              "version": "1def9238d4aa2146924994aa4b7dc861f03b9362",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ab9a9a9e9647392a19e7a885b08000e89c86b535"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.9",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.9"
            },
            {
              "version": "4.19.323",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.285",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.227",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.168",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.113",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.55",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.10.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.10.*"
            },
            {
              "version": "6.11.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.11.*"
            },
            {
              "version": "6.12",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}