CVE-2026-97489 (GCVE-0-2026-97489)
Vulnerability from cvelistv5
Published
2026-09-24 16:04
Modified
2026-10-03 10:58
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: bfs: handle set_blocksize failures bfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
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              "version": "7.2",
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      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbfs: handle set_blocksize failures\n\nbfs uses buffer_heads, which don\u0027t handle block size \u003e PAGE_SIZE well.\nWithout this, mounting will hit the\n\n\tBUG_ON(offset \u003e= folio_size(folio));\n\nin folio_set_bh on the first __bread_gfp call."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-03T10:58:53.984Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/965b53ee91cfda3faf8bd0d0ffff5f70c7d1c479"
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          "url": "https://git.kernel.org/stable/c/0fe260d82555ffebfb627cd23cbb6e880399804c"
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        {
          "url": "https://git.kernel.org/stable/c/2430e3380936df0b648af720cae624eef035a2d1"
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      ],
      "title": "bfs: handle set_blocksize failures",
      "x_generator": {
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-97489",
    "datePublished": "2026-09-24T16:04:37.759Z",
    "dateReserved": "2026-09-24T16:01:01.150Z",
    "dateUpdated": "2026-10-03T10:58:53.984Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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