{
  "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-2023-52444",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52444",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-02-22T16:21:37.043Z",
    "updatedAt": "2026-10-15T00:16:56.306Z",
    "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": "f2fs: fix to avoid dirent corruption",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid dirent corruption\n\nAs Al reported in link[1]:\n\nf2fs_rename()\n...\n\tif (old_dir != new_dir && !whiteout)\n\t\tf2fs_set_link(old_inode, old_dir_entry,\n\t\t\t\t\told_dir_page, new_dir);\n\telse\n\t\tf2fs_put_page(old_dir_page, 0);\n\nYou want correct inumber in the \"..\" link.  And cross-directory\nrename does move the source to new parent, even if you'd been asked\nto leave a whiteout in the old place.\n\n[1] https://lore.kernel.org/all/20231017055040.GN800259@ZenIV/\n\nWith below testcase, it may cause dirent corruption, due to it missed\nto call f2fs_set_link() to update \"..\" link to new directory.\n- mkdir -p dir/foo\n- renameat2 -w dir/foo bar\n\n[ASSERT] (__chk_dots_dentries:1421)  --> Bad inode number[0x4] for '..', parent parent ino is [0x3]\n[FSCK] other corrupted bugs                           [Fail]",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7e01e7ad746bc8198a8b46163ddc73a1c7d22339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "02160112e6d45c2610b049df6eb693d7a2e57b46"
            },
            {
              "version": "7e01e7ad746bc8198a8b46163ddc73a1c7d22339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5624a3c1b1ebc8991318e1cce2aa719542991024"
            },
            {
              "version": "7e01e7ad746bc8198a8b46163ddc73a1c7d22339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6f866885e147d33efc497f1095f35b2ee5ec7310"
            },
            {
              "version": "7e01e7ad746bc8198a8b46163ddc73a1c7d22339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f100ba617d8be6c98a68f3744ef7617082975b77"
            },
            {
              "version": "7e01e7ad746bc8198a8b46163ddc73a1c7d22339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f0145860c20be6bae6785c7a2249577674702ac7"
            },
            {
              "version": "7e01e7ad746bc8198a8b46163ddc73a1c7d22339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d3c0b49aaa12a61d560528f5d605029ab57f0728"
            },
            {
              "version": "7e01e7ad746bc8198a8b46163ddc73a1c7d22339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2fb4867f4405aea8c0519d7d188207f232a57862"
            },
            {
              "version": "7e01e7ad746bc8198a8b46163ddc73a1c7d22339",
              "status": "affected",
              "versionType": "git",
              "lessThan": "53edb549565f55ccd0bdf43be3d66ce4c2d48b28"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.2",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.2"
            },
            {
              "version": "4.19.306",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.268",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.148",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.*"
            },
            {
              "version": "6.8",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}