{
  "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-2023-53398",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53398",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-18T13:33:38.842Z",
    "updatedAt": "2026-08-05T09:13:53.982Z",
    "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": "mlx5: fix possible ptp queue fifo use-after-free",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmlx5: fix possible ptp queue fifo use-after-free\n\nFifo indexes are not checked during pop operations and it leads to\npotential use-after-free when poping from empty queue. Such case was\npossible during re-sync action. WARN_ON_ONCE covers future cases.\n\nThere were out-of-order cqe spotted which lead to drain of the queue and\nuse-after-free because of lack of fifo pointers check. Special check and\ncounter are added to avoid resync operation if SKB could not exist in the\nfifo because of OOO cqe (skb_id must be between consumer and producer\nindex).",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "58a518948f60153e8f6cb8361d2712aa3a1af94a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "52e6e7a0bc04c85012a9251c7cf2d444a77eb966"
            },
            {
              "version": "58a518948f60153e8f6cb8361d2712aa3a1af94a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6afdedc4e66e3846ce497744f01b95c34bf39d21"
            },
            {
              "version": "58a518948f60153e8f6cb8361d2712aa3a1af94a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3a50cf1e8e5157b82268eee7e330dbe5736a0948"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.0"
            },
            {
              "version": "6.1.18",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}