{
  "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-2023-54050",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-54050",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T12:23:00.366Z",
    "updatedAt": "2026-08-05T09:16:47.787Z",
    "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": "ubifs: Fix memleak when insert_old_idx() failed",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nubifs: Fix memleak when insert_old_idx() failed\n\nFollowing process will cause a memleak for copied up znode:\n\ndirty_cow_znode\n  zn = copy_znode(c, znode);\n  err = insert_old_idx(c, zbr->lnum, zbr->offs);\n  if (unlikely(err))\n     return ERR_PTR(err);   // No one refers to zn.\n\nFetch a reproducer in [Link].\n\nFunction copy_znode() is split into 2 parts: resource allocation\nand znode replacement, insert_old_idx() is split in similar way,\nso resource cleanup could be done in error handling path without\ncorrupting metadata(mem & disk).\nIt's okay that old index inserting is put behind of add_idx_dirt(),\nold index is used in layout_leb_in_gaps(), so the two processes do\nnot depend on each other.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cc29c7216d7f057eb0613b97dc38c7e1962a88d2"
            },
            {
              "version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6f2eee5457bc48b0426dedfd78cdbdea241a6edb"
            },
            {
              "version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "66e9f2fb3e753f820bec2a98e8c6387029988320"
            },
            {
              "version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3ae75f82c33fa1b4ca2006b55c84f4ef4a428d4d"
            },
            {
              "version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ef9aac603659e9ffe7d69ae16e3f0fc0991a965b"
            },
            {
              "version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "79079cebbeed624b9d01cfcf1e3254ae1a1f6e14"
            },
            {
              "version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a6da0ab9847779e05a7416c7a98148b549de69ef"
            },
            {
              "version": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b5fda08ef213352ac2df7447611eb4d383cce929"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.27",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.27"
            },
            {
              "version": "4.19.283",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.243",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.180",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.111",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.28",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.15",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}