{
  "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-2023-52983",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52983",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-03-27T16:43:21.372Z",
    "updatedAt": "2026-08-05T09:12:15.408Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "block, bfq: fix uaf for bfqq in bic_set_bfqq()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock, bfq: fix uaf for bfqq in bic_set_bfqq()\n\nAfter commit 64dc8c732f5c (\"block, bfq: fix possible uaf for 'bfqq->bic'\"),\nbic->bfqq will be accessed in bic_set_bfqq(), however, in some context\nbic->bfqq will be freed, and bic_set_bfqq() is called with the freed\nbic->bfqq.\n\nFix the problem by always freeing bfqq after bic_set_bfqq().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5533742c7cb1bc9b1f0bf401cc397d44a3a9e07a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7f77f3dab5066a7c9da73d72d1eee895ff84a8d5"
            },
            {
              "version": "094f3d9314d67691cb21ba091c1b528f6e3c4893",
              "status": "affected",
              "versionType": "git",
              "lessThan": "511c922c5bf6c8a166bea826e702336bc2424140"
            },
            {
              "version": "761564d93c8265f65543acf0a576b32d66bfa26a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cb1876fc33af26d00efdd473311f1b664c77c44e"
            },
            {
              "version": "64dc8c732f5c2b406cc752e6aaa1bd5471159cab",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b600de2d7d3a16f9007fad1bdae82a3951a26af2"
            },
            {
              "version": "b22fd72bfebda3956efc4431b60ddfc0a51e03e0",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.0.16",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5.15.86",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.93"
            },
            {
              "version": "6.1.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.11"
            }
          ]
        }
      ]
    }
  }
}