{
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    {
      "nodes": [
        {
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (pt5161l) Fix bugs in pt5161l_read_block_data()\n\nFix two bugs in pt5161l_read_block_data():\n\n1. Buffer overrun: The local buffer rbuf is declared as u8 rbuf[24],\n   but i2c_smbus_read_block_data() can return up to\n   I2C_SMBUS_BLOCK_MAX (32) bytes. The i2c-core copies the data into\n   the caller\u0027s buffer before the return value can be checked, so\n   the post-read length validation does not prevent a stack overrun\n   if a device returns more than 24 bytes. Resize the buffer to\n   I2C_SMBUS_BLOCK_MAX.\n\n2. Unexpected positive return on length mismatch: When all three\n   retries are exhausted because the device returns data with an\n   unexpected length, i2c_smbus_read_block_data() returns a positive\n   byte count. The function returns this directly, and callers treat\n   any non-negative return as success, processing stale or incomplete\n   buffer contents. Return -EIO when retries are exhausted with a\n   positive return value, preserving the negative error code on I2C\n   failure."
    }
  ],
  "id": "CVE-2026-46001",
  "lastModified": "2026-06-16T15:26:30.813",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2026-05-27T14:17:17.760",
  "references": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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    },
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      "tags": [
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      "tags": [
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      "url": "https://git.kernel.org/stable/c/a11aa9c5fd9dfe62be7cfec1f2a7546afb77254c"
    }
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
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}

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-46001"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-27T14:17:17Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (pt5161l) Fix bugs in pt5161l_read_block_data()\n\nFix two bugs in pt5161l_read_block_data():\n\n1. Buffer overrun: The local buffer rbuf is declared as u8 rbuf[24],\n   but i2c_smbus_read_block_data() can return up to\n   I2C_SMBUS_BLOCK_MAX (32) bytes. The i2c-core copies the data into\n   the caller\u0027s buffer before the return value can be checked, so\n   the post-read length validation does not prevent a stack overrun\n   if a device returns more than 24 bytes. Resize the buffer to\n   I2C_SMBUS_BLOCK_MAX.\n\n2. Unexpected positive return on length mismatch: When all three\n   retries are exhausted because the device returns data with an\n   unexpected length, i2c_smbus_read_block_data() returns a positive\n   byte count. The function returns this directly, and callers treat\n   any non-negative return as success, processing stale or incomplete\n   buffer contents. Return -EIO when retries are exhausted with a\n   positive return value, preserving the negative error code on I2C\n   failure.",
  "id": "GHSA-j98c-q2pf-9m22",
  "modified": "2026-06-16T15:33:40Z",
  "published": "2026-05-27T15:33:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46001"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24c73e93d6a756e1b8626bb259d2e07c5b89b370"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7eccabff1c9ec15e4b6fe186d5c147b13a9cdb4e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/95d48e37a1304d6148406c799479c0fb505aefa7"
    },
    {
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  "schema_version": "1.4.0",
  "severity": [
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      "type": "CVSS_V3"
    }
  ]
}