ghsa-vvmc-4gqr-h5j4
Vulnerability from github
Published
2024-10-21 12:30
Modified
2024-10-23 18:33
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Details

In the Linux kernel, the following vulnerability has been resolved:

ep93xx: clock: Fix off by one in ep93xx_div_recalc_rate()

The psc->div[] array has psc->num_div elements. These values come from when we call clk_hw_register_div(). It's adc_divisors and ARRAY_SIZE(adc_divisors)) and so on. So this condition needs to be >= instead of > to prevent an out of bounds read.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-47686"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-193"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-10-21T12:15:05Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nep93xx: clock: Fix off by one in ep93xx_div_recalc_rate()\n\nThe psc-\u003ediv[] array has psc-\u003enum_div elements.  These values come from\nwhen we call clk_hw_register_div().  It\u0027s adc_divisors and\nARRAY_SIZE(adc_divisors)) and so on.  So this condition needs to be \u003e=\ninstead of \u003e to prevent an out of bounds read.",
  "id": "GHSA-vvmc-4gqr-h5j4",
  "modified": "2024-10-23T18:33:07Z",
  "published": "2024-10-21T12:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-47686"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/27f493e141823db052586010c1532b70b164507c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/66e78ade976dbd9bea09166aa8d66afc0963cde4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7a5bd2fb92388c51d267f6ce57c40f1cca8af1e0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ae59eaf36a1ad396e9f657ec9b8b52da6206ed5f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c7f06284a6427475e3df742215535ec3f6cd9662"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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