{
  "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-2026-31440",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31440",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-22T13:53:38.388Z",
    "updatedAt": "2026-05-17T15:21:26.990Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "dmaengine: idxd: Fix leaking event log memory",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix leaking event log memory\n\nDuring the device remove process, the device is reset, causing the\nconfiguration registers to go back to their default state, which is\nzero. As the driver is checking if the event log support was enabled\nbefore deallocating, it will fail if a reset happened before.\n\nDo not check if the support was enabled, the check for 'idxd->evl'\nbeing valid (only allocated if the HW capability is available) is\nenough.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "244da66cda359227d80ccb41dbcb99da40eae186",
              "status": "affected",
              "versionType": "git",
              "lessThan": "695b491dc3f20365fd5821f22e25dbe3c1c20cbc"
            },
            {
              "version": "244da66cda359227d80ccb41dbcb99da40eae186",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d94f9b0ba28a205caf95902ee88b42bdb8af83d0"
            },
            {
              "version": "244da66cda359227d80ccb41dbcb99da40eae186",
              "status": "affected",
              "versionType": "git",
              "lessThan": "facd0012708e942fc12890708738aebde497564e"
            },
            {
              "version": "244da66cda359227d80ccb41dbcb99da40eae186",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9dfa00967e6ef43a9dd0887fe5c3a721a39da92e"
            },
            {
              "version": "244da66cda359227d80ccb41dbcb99da40eae186",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ee66bc29578391c9b48523dc9119af67bd5c7c0f"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.4"
            },
            {
              "version": "6.6.140",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.80",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.21",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}