{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-54272",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-54272"
  ],
  "published": "2025-12-30T12:20:26Z",
  "summary": "fs/ntfs3: Fix a possible null-pointer dereference in ni_clear()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix a possible null-pointer dereference in ni_clear()\n\nIn a previous commit c1006bd13146, ni->mi.mrec in ni_write_inode()\ncould be NULL, and thus a NULL check is added for this variable.\n\nHowever, in the same call stack, ni->mi.mrec can be also dereferenced\nin ni_clear():\n\nntfs_evict_inode(inode)\n  ni_write_inode(inode, ...)\n    ni = ntfs_i(inode);\n    is_rec_inuse(ni->mi.mrec) -> Add a NULL check by previous commit\n  ni_clear(ntfs_i(inode))\n    is_rec_inuse(ni->mi.mrec) -> No check\n\nThus, a possible null-pointer dereference may exist in ni_clear().\nTo fix it, a NULL check is added in this function.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
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        "1:6.1.58-1+rpt2",
        "1:6.1.63-1+rpt1",
        "1:6.1.73-1+rpt1"
      ],
      "ecosystem_specific": {
        "binaries": [
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            "binary_version": "1:6.1.21-1+rpt1"
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            "upstream_version": "6.1.21",
            "assessment": "commit ancestry (strak rule)",
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-54272"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/20f9bfc664d6a478f9a5bbc0c380f80f7a1a06c6"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/39c6312009574ca73865354133ca222e7753a71b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e7675f85a92233136c630000a0b7cf97826705da"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ec275bf9693d19cc0fdce8436f4c425ced86f6e7"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}