{
  "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-2026-23261",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-23261",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-03-18T17:41:07.478Z",
    "updatedAt": "2026-05-23T16:04:22.947Z",
    "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": "nvme-fc: release admin tagset if init fails",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: release admin tagset if init fails\n\nnvme_fabrics creates an NVMe/FC controller in following path:\n\n    nvmf_dev_write()\n      -> nvmf_create_ctrl()\n        -> nvme_fc_create_ctrl()\n          -> nvme_fc_init_ctrl()\n\nnvme_fc_init_ctrl() allocates the admin blk-mq resources right after\nnvme_add_ctrl() succeeds.  If any of the subsequent steps fail (changing\nthe controller state, scheduling connect work, etc.), we jump to the\nfail_ctrl path, which tears down the controller references but never\nfrees the admin queue/tag set.  The leaked blk-mq allocations match the\nkmemleak report seen during blktests nvme/fc.\n\nCheck ctrl->ctrl.admin_tagset in the fail_ctrl path and call\nnvme_remove_admin_tag_set() when it is set so that all admin queue\nallocations are reclaimed whenever controller setup aborts.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5fe335a80548e2eda5d51fab801108b323600e95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7c54d3f5ebbc5982daaa004260242dc07ac943ea"
            },
            {
              "version": "17c3a66d7ea2d303f783796d62f99e2e23b68c90",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fa301aef50e3f3b5be6ee53457608beae5aa7a01"
            },
            {
              "version": "ea3442efabd0aa3930c5bab73c3901ef38ef6ac3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e810b290922c535feb34bc90ab549446fe94d2a3"
            },
            {
              "version": "ea3442efabd0aa3930c5bab73c3901ef38ef6ac3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d1877cc7270302081a315a81a0ee8331f19f95c8"
            },
            {
              "version": "0d1840b2dd8fe073c020c39bf8e8e89488070801",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.6.118",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.124"
            },
            {
              "version": "6.12.60",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.70"
            },
            {
              "version": "6.17.10",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.18"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.18"
            },
            {
              "version": "6.6.124",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.70",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}