{
  "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-2024-27023",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-27023",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-01T12:49:21.063Z",
    "updatedAt": "2026-05-11T20:08:55.255Z",
    "importedAt": "2026-10-24T01:57:07.518Z",
    "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": "md: Fix missing release of 'active_io' for flush",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: Fix missing release of 'active_io' for flush\n\nsubmit_flushes\n atomic_set(&mddev->flush_pending, 1);\n rdev_for_each_rcu(rdev, mddev)\n  atomic_inc(&mddev->flush_pending);\n  bi->bi_end_io = md_end_flush\n  submit_bio(bi);\n                        /* flush io is done first */\n                        md_end_flush\n                         if (atomic_dec_and_test(&mddev->flush_pending))\n                          percpu_ref_put(&mddev->active_io)\n                          -> active_io is not released\n\n if (atomic_dec_and_test(&mddev->flush_pending))\n  -> missing release of active_io\n\nFor consequence, mddev_suspend() will wait for 'active_io' to be zero\nforever.\n\nFix this problem by releasing 'active_io' in submit_flushes() if\n'flush_pending' is decreased to zero.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f9f2d957a8ea93c73182aebf7de30935a58c027d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6b2ff10390b19a2364af622b6666b690443f9f3f"
            },
            {
              "version": "530cec617f5a8ba6f26bcbf0d64d75c951d17730",
              "status": "affected",
              "versionType": "git",
              "lessThan": "02dad157ba11064d073f5499dc33552b227d5d3a"
            },
            {
              "version": "c4c2345214b66e2505a26fd2ea58839dd7a1d48d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "11f81438927f84edfaaeb5d5f10856c3a1c1fc82"
            },
            {
              "version": "fa2bbff7b0b4e211fec5e5686ef96350690597b5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "855678ed8534518e2b428bcbcec695de9ba248e8"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6.1.75",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.80"
            },
            {
              "version": "6.6.14",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.19"
            },
            {
              "version": "6.7.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.7.7"
            }
          ]
        }
      ]
    }
  }
}