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->div[] array has psc->num_div elements.  These values come from\nwhen we call clk_hw_register_div().  It's adc_divisors and\nARRAY_SIZE(adc_divisors)) and so on.  So this condition needs to be >=\ninstead of > 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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