{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()\n\nSashiko noticed an out-of-bounds read [1].\n\nIn spi_nor_params_show(), the snor_f_names array is passed to\nspi_nor_print_flags() using sizeof(snor_f_names).\n\nSince snor_f_names is an array of pointers, sizeof() returns the total\nnumber of bytes occupied by the pointers\n\t(element_count * sizeof(void *))\nrather than the element count itself. On 64-bit systems, this makes the\npassed length 8x larger than intended.\n\nInside spi_nor_print_flags(), the \u0027names_len\u0027 argument is used to\nbounds-check the \u0027names\u0027 array access. An out-of-bounds read occurs\nif a flag bit is set that exceeds the array\u0027s actual element count\nbut is within the inflated byte-size count.\n\nCorrect this by using ARRAY_SIZE() to pass the actual number of\nstring pointers in the array."
    }
  ],
  "id": "CVE-2026-46190",
  "lastModified": "2026-05-28T13:44:01.663",
  "metrics": {},
  "published": "2026-05-28T10:16:34.640",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/34bdcfb496b29f9a52431194f94473b37fb8c162"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/9a80c458320e0514e11945402dd6e48fcee05524"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c0b654bc0b76a1da102d9138be1ed1223bd99310"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ca18c180b053f6ce80394322b314ac721c316af7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e47029b977e747cb3a9174308fd55762cce70147"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-46190"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-28T10:16:34Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()\n\nSashiko noticed an out-of-bounds read [1].\n\nIn spi_nor_params_show(), the snor_f_names array is passed to\nspi_nor_print_flags() using sizeof(snor_f_names).\n\nSince snor_f_names is an array of pointers, sizeof() returns the total\nnumber of bytes occupied by the pointers\n\t(element_count * sizeof(void *))\nrather than the element count itself. On 64-bit systems, this makes the\npassed length 8x larger than intended.\n\nInside spi_nor_print_flags(), the \u0027names_len\u0027 argument is used to\nbounds-check the \u0027names\u0027 array access. An out-of-bounds read occurs\nif a flag bit is set that exceeds the array\u0027s actual element count\nbut is within the inflated byte-size count.\n\nCorrect this by using ARRAY_SIZE() to pass the actual number of\nstring pointers in the array.",
  "id": "GHSA-v954-p6j3-5m22",
  "modified": "2026-05-28T12:30:32Z",
  "published": "2026-05-28T12:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46190"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34bdcfb496b29f9a52431194f94473b37fb8c162"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9a80c458320e0514e11945402dd6e48fcee05524"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0b654bc0b76a1da102d9138be1ed1223bd99310"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca18c180b053f6ce80394322b314ac721c316af7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e47029b977e747cb3a9174308fd55762cce70147"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

{
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        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
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      "name": "Microsoft Security Response Center",
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        "summary": "CVE-2026-46190 mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show() - VEX",
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      {
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        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()",
    "tracking": {
      "current_release_date": "2026-05-29T01:06:29.000Z",
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      "notes": [
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          "text": "Linux",
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      "title": "mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()"
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}