FKIE_CVE-2023-53269

Vulnerability from fkie_nvd - Published: 2025-09-16 08:15 - Updated: 2025-12-03 16:56
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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/1d1665279a845d16c93687389e364386e3fe0f38Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/231a49460ac0203270da2471928d392e5586370fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9dbe85ac618ef6ae60abe5dd17ae2b29065d9c1ePatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.3
linux linux_kernel 6.3
linux linux_kernel 6.3
linux linux_kernel 6.3
linux linux_kernel 6.3
To clipboard 

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  "descriptions": [
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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."
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  "id": "CVE-2023-53269",
  "lastModified": "2025-12-03T16:56:21.127",
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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