GHSA-PVF7-PGPM-3Q43

Vulnerability from github – Published: 2024-03-18 12:30 – Updated: 2024-12-12 15:31
VLAI?
Details

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

PM / devfreq: Fix buffer overflow in trans_stat_show

Fix buffer overflow in trans_stat_show().

Convert simple snprintf to the more secure scnprintf with size of PAGE_SIZE.

Add condition checking if we are exceeding PAGE_SIZE and exit early from loop. Also add at the end a warning that we exceeded PAGE_SIZE and that stats is disabled.

Return -EFBIG in the case where we don't have enough space to write the full transition table.

Also document in the ABI that this function can return -EFBIG error.

Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2023-52614"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-18T11:15:08Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: Fix buffer overflow in trans_stat_show\n\nFix buffer overflow in trans_stat_show().\n\nConvert simple snprintf to the more secure scnprintf with size of\nPAGE_SIZE.\n\nAdd condition checking if we are exceeding PAGE_SIZE and exit early from\nloop. Also add at the end a warning that we exceeded PAGE_SIZE and that\nstats is disabled.\n\nReturn -EFBIG in the case where we don\u0027t have enough space to write the\nfull transition table.\n\nAlso document in the ABI that this function can return -EFBIG error.",
  "id": "GHSA-pvf7-pgpm-3q43",
  "modified": "2024-12-12T15:31:05Z",
  "published": "2024-03-18T12:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52614"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/087de000e4f8c878c81d9dd3725f00a1d292980c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/08e23d05fa6dc4fc13da0ccf09defdd4bbc92ff4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/796d3fad8c35ee9df9027899fb90ceaeb41b958f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a7729cda2dd276d7a3994638038fb89035b6f2c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a979f56aa4b93579cf0e4265ae04d7e9300fd3e8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eaef4650fa2050147ca25fd7ee43bc0082e03c87"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    }
  ],
  "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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Detection rules are retrieved from Rulezet.