ghsa-p7j9-4392-6r7p
Vulnerability from github
Published
2025-03-06 18:31
Modified
2025-03-25 15:31
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read

The nvmem interface supports variable buffer sizes, while the regmap interface operates with fixed-size storage. If an nvmem client uses a buffer size less than 4 bytes, regmap_read will write out of bounds as it expects the buffer to point at an unsigned int.

Fix this by using an intermediary unsigned int to hold the value.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-58069"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-03-06T16:15:53Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read\n\nThe nvmem interface supports variable buffer sizes, while the regmap\ninterface operates with fixed-size storage. If an nvmem client uses a\nbuffer size less than 4 bytes, regmap_read will write out of bounds\nas it expects the buffer to point at an unsigned int.\n\nFix this by using an intermediary unsigned int to hold the value.",
  "id": "GHSA-p7j9-4392-6r7p",
  "modified": "2025-03-25T15:31:22Z",
  "published": "2025-03-06T18:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-58069"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/21cd59fcb9952eb7505da2bdfc1eb9c619df3ff4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3ab8c5ed4f84fa20cd16794fe8dc31f633fbc70c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/517aedb365f2c94e2d7e0b908ac7127df76203a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6f2a8ca9a0a38589f52a7f0fb9425b9ba987ae7c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9adefa7b9559d0f21034a5d5ec1b55840c9348b9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c72b7a474d3f445bf0c5bcf8ffed332c78eb28a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e5536677da803ed54a29a446515c28dce7d3d574"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e5e06455760f2995b16a176033909347929d1128"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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