CVE-2023-53269 (GCVE-0-2023-53269)
Vulnerability from cvelistv5
Published
2025-09-16 08:06
Modified
2025-09-16 08:06
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: block: ublk: make sure that block size is set correctly block size is one very key setting for block layer, and bad block size could panic kernel easily. Make sure that block size is set correctly. Meantime if ublk_validate_params() fails, clear ub->params so that disk is prevented from being added.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1d1665279a845d16c93687389e364386e3fe0f38
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/231a49460ac0203270da2471928d392e5586370f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9dbe85ac618ef6ae60abe5dd17ae2b29065d9c1e
Impacted products
Vendor Product Version
Linux Linux Version: 71f28f3136aff5890cd56de78abc673f8393cad9
Version: 71f28f3136aff5890cd56de78abc673f8393cad9
Version: 71f28f3136aff5890cd56de78abc673f8393cad9
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   Linux Linux Version: 6.0
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/block/ublk_drv.c"
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              "operator": "OR"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: ublk: make sure that block size is set correctly\n\nblock size is one very key setting for block layer, and bad block size\ncould panic kernel easily.\n\nMake sure that block size is set correctly.\n\nMeantime if ublk_validate_params() fails, clear ub-\u003eparams so that disk\nis prevented from being added."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-16T08:06:58.983Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/1d1665279a845d16c93687389e364386e3fe0f38"
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      "title": "block: ublk: make sure that block size is set correctly",
      "x_generator": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53269",
    "datePublished": "2025-09-16T08:06:58.983Z",
    "dateReserved": "2025-09-16T08:05:12.515Z",
    "dateUpdated": "2025-09-16T08:06:58.983Z",
    "state": "PUBLISHED"
  },
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  }
}


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