{
  "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-2023-53294",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53294",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-16T08:11:26.926Z",
    "updatedAt": "2026-05-11T19:42:09.734Z",
    "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/ntfs3: Fix null-ptr-deref on inode->i_op in ntfs_lookup()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix null-ptr-deref on inode->i_op in ntfs_lookup()\n\nSyzbot reported a null-ptr-deref bug:\n\nntfs3: loop0: Different NTFS' sector size (1024) and media sector size\n(512)\nntfs3: loop0: Mark volume as dirty due to NTFS errors\ngeneral protection fault, probably for non-canonical address\n0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\nRIP: 0010:d_flags_for_inode fs/dcache.c:1980 [inline]\nRIP: 0010:__d_add+0x5ce/0x800 fs/dcache.c:2796\nCall Trace:\n <TASK>\n d_splice_alias+0x122/0x3b0 fs/dcache.c:3191\n lookup_open fs/namei.c:3391 [inline]\n open_last_lookups fs/namei.c:3481 [inline]\n path_openat+0x10e6/0x2df0 fs/namei.c:3688\n do_filp_open+0x264/0x4f0 fs/namei.c:3718\n do_sys_openat2+0x124/0x4e0 fs/open.c:1310\n do_sys_open fs/open.c:1326 [inline]\n __do_sys_open fs/open.c:1334 [inline]\n __se_sys_open fs/open.c:1330 [inline]\n __x64_sys_open+0x221/0x270 fs/open.c:1330\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nIf the MFT record of ntfs inode is not a base record, inode->i_op can be\nNULL. And a null-ptr-deref may happen:\n\nntfs_lookup()\n    dir_search_u() # inode->i_op is set to NULL\n    d_splice_alias()\n        __d_add()\n            d_flags_for_inode() # inode->i_op->get_link null-ptr-deref\n\nFix this by adding a Check on inode->i_op before calling the\nd_splice_alias() function.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f8d9e062a695a3665c4635c4f216a75912687598"
            },
            {
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d69d5e2a81df94534bdb468bcdd26060fcb7191a"
            },
            {
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2ba22cbc6a1cf4b58195adbee0b80262e53992d3"
            },
            {
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e78240bc4b94fc42854d65e657bb998100cc8e1b"
            },
            {
              "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "254e69f284d7270e0abdc023ee53b71401c3ba0c"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.15"
            },
            {
              "version": "5.15.112",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.29",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}