{
  "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-2023-54128",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-54128",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T13:06:46.056Z",
    "updatedAt": "2026-10-15T21:41:40.328Z",
    "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": "fs: drop peer group ids under namespace lock",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs: drop peer group ids under namespace lock\n\nWhen cleaning up peer group ids in the failure path we need to make sure\nto hold on to the namespace lock. Otherwise another thread might just\nturn the mount from a shared into a non-shared mount concurrently.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2a1867219c7b27f928e2545782b86daaf9ad50bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0af8fae81d8b7f1beddc17c5d4cfa43235134648"
            },
            {
              "version": "2a1867219c7b27f928e2545782b86daaf9ad50bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ddca03d97daa7b07b60c52e3d3060762732c6666"
            },
            {
              "version": "2a1867219c7b27f928e2545782b86daaf9ad50bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "65c324d3f35c05e37afec39ac80743583fdcc96c"
            },
            {
              "version": "2a1867219c7b27f928e2545782b86daaf9ad50bd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cb2239c198ad9fbd5aced22cf93e45562da781eb"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.12"
            },
            {
              "version": "5.15.107",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.24",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}