CVE-2026-97488 (GCVE-0-2026-97488)
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: qnx4: handle set_blocksize failures qnx4 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.
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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{
  "containers": {
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/qnx4/inode.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.271",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.222",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.189",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.158",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.111",
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            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.53",
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            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nqnx4: handle set_blocksize failures\n\nqnx4 uses buffer_heads, which don\u0027t handle block size \u003e PAGE_SIZE well.\nWithout this, mounting will hit the\n\n        BUG_ON(offset \u003e= folio_size(folio));\n\nin folio_set_bh on the first __bread_gfp call."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-03T10:58:52.898Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/de8bd760ca0c2a3f337bbafbeb1dcad0853787cc"
        },
        {
          "url": "https://git.kernel.org/stable/c/3f2088a3973faf3ed9b56ea3d3f0240b9a797016"
        },
        {
          "url": "https://git.kernel.org/stable/c/c9f03e750d9ddf0f42c24e3ba683f26e377ffd72"
        },
        {
          "url": "https://git.kernel.org/stable/c/f83e416c2242fb298ad33b756c83aae75d9e359c"
        },
        {
          "url": "https://git.kernel.org/stable/c/aac97a4b3f47c36a47f934aa679407b718b67537"
        },
        {
          "url": "https://git.kernel.org/stable/c/60f7ccf669882262330171eda51a4f52fa2e69c9"
        },
        {
          "url": "https://git.kernel.org/stable/c/c7d911ea1cc9a63b07e52f5e75b263be0615b289"
        }
      ],
      "title": "qnx4: handle set_blocksize failures",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-97488",
    "datePublished": "2026-09-24T16:04:35.423Z",
    "dateReserved": "2026-09-24T16:01:01.150Z",
    "dateUpdated": "2026-10-03T10:58:52.898Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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