{
  "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-2026-43238",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43238",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-06T11:28:32.950Z",
    "updatedAt": "2026-05-11T22:20:40.634Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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/sched: act_skbedit: fix divide-by-zero in tcf_skbedit_hash()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: act_skbedit: fix divide-by-zero in tcf_skbedit_hash()\n\nCommit 38a6f0865796 (\"net: sched: support hash selecting tx queue\")\nadded SKBEDIT_F_TXQ_SKBHASH support. The inclusive range size is\ncomputed as:\n\nmapping_mod = queue_mapping_max - queue_mapping + 1;\n\nThe range size can be 65536 when the requested range covers all possible\nu16 queue IDs (e.g. queue_mapping=0 and queue_mapping_max=U16_MAX).\nThat value cannot be represented in a u16 and previously wrapped to 0,\nso tcf_skbedit_hash() could trigger a divide-by-zero:\n\nqueue_mapping += skb_get_hash(skb) % params->mapping_mod;\n\nCompute mapping_mod in a wider type and reject ranges larger than U16_MAX\nto prevent params->mapping_mod from becoming 0 and avoid the crash.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "38a6f0865796e26fc38fff4858f681d9ae76fa0f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "59809fda4da7730cfe84a948033f47eb45db073d"
            },
            {
              "version": "38a6f0865796e26fc38fff4858f681d9ae76fa0f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9c735a7d98c982a786b0db71eb6566ee00aaa04f"
            },
            {
              "version": "38a6f0865796e26fc38fff4858f681d9ae76fa0f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "015cebdfcb97b5347fb7f598ea712a281cb35840"
            },
            {
              "version": "38a6f0865796e26fc38fff4858f681d9ae76fa0f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4ece5eb4836f8ff03b9004dc2430a7169f282851"
            },
            {
              "version": "38a6f0865796e26fc38fff4858f681d9ae76fa0f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3c2b95b26860bd6f8e2310d31ea1200d3f8f173e"
            },
            {
              "version": "38a6f0865796e26fc38fff4858f681d9ae76fa0f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "be054cc66f739a9ba615dba9012a07fab8e7dd6f"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.19"
            },
            {
              "version": "6.1.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}