fkie_cve-2025-21815
Vulnerability from fkie_nvd
Published
2025-02-27 20:16
Modified
2025-02-27 20:16
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10b7d3eb535098ccd4c82a182a33655d8a0e5c88
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4491159774d973a9e2e998d25d8fbb20fada6dfa
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d1366e74342e75555af2648a2964deb2d5c92200
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/compaction: fix UBSAN shift-out-of-bounds warning\n\nsyzkaller reported a UBSAN shift-out-of-bounds warning of (1UL \u003c\u003c order)\nin isolate_freepages_block().  The bogus compound_order can be any value\nbecause it is union with flags.  Add back the MAX_PAGE_ORDER check to fix\nthe warning."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm/compaction: se corrige la advertencia de cambio fuera de los l\u00edmites de UBSAN syzkaller inform\u00f3 una advertencia de cambio fuera de los l\u00edmites de UBSAN de (1UL \u0026lt;\u0026lt; order) en isolate_freepages_block(). El compuesto falso puede ser cualquier valor porque es una uni\u00f3n con indicadores. Vuelva a agregar la verificaci\u00f3n MAX_PAGE_ORDER para corregir la advertencia."
    }
  ],
  "id": "CVE-2025-21815",
  "lastModified": "2025-02-27T20:16:04.063",
  "metrics": {},
  "published": "2025-02-27T20:16:04.063",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/10b7d3eb535098ccd4c82a182a33655d8a0e5c88"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4491159774d973a9e2e998d25d8fbb20fada6dfa"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d1366e74342e75555af2648a2964deb2d5c92200"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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