{
  "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-2026-74297",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-74297",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-15T05:58:01.414Z",
    "updatedAt": "2026-10-16T18:55:31.425Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "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": "RDMA/mlx5: Fix undefined shift of user RQ WQE size",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mlx5: Fix undefined shift of user RQ WQE size\n\nset_rq_size() computes the RQ WQE size as \"1 << rq_wqe_shift\" based on\nthe user-provided rq_wqe_shift, which is only checked to be greater than\n32, so shifts of 32 are still accepted. A shift of 31 also overflows a\nsigned integer, leading to undefined behavior.\n\nUse check_shl_overflow() to compute the RQ WQE size and reject any\ninvalid values.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9fff54929cc00849d738faa99f06c32399aeb026"
            },
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b746f949c2ac2b041102836095d6d4a2ef21fa75"
            },
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c1dbf52d24a8cb1aa56780ba51b72e7d495f258c"
            },
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6fc874fdfb366bfb11c62e6af9a831c8be59ddda"
            },
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "42f3d2c8c18b92ea33e506a38b64f1a8986c2823"
            },
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4b87a2497276a72fd63028e7419abf0fb7ed837b"
            },
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b732db02a2b04cde393638df19de6251ce62a74e"
            },
            {
              "version": "e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d881d60223aac8fdc12b227d89c76e131e92a9cd"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.11",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.11"
            },
            {
              "version": "5.10.261",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.212",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.178",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.145",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.97",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.40",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}