{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-50230",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-50230"
  ],
  "published": "2024-11-09T10:15:51Z",
  "summary": "nilfs2: fix kernel bug due to missing clearing of checked flag",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix kernel bug due to missing clearing of checked flag\n\nSyzbot reported that in directory operations after nilfs2 detects\nfilesystem corruption and degrades to read-only,\n__block_write_begin_int(), which is called to prepare block writes, may\nfail the BUG_ON check for accesses exceeding the folio/page size,\ntriggering a kernel bug.\n\nThis was found to be because the \"checked\" flag of a page/folio was not\ncleared when it was discarded by nilfs2's own routine, which causes the\nsanity check of directory entries to be skipped when the directory\npage/folio is reloaded.  So, fix that.\n\nThis was necessary when the use of nilfs2's own page discard routine was\napplied to more than just metadata files.",
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  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-50230"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/994b2fa13a6c9cf3feca93090a9c337d48e3d60d"
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    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
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}