ghsa-xxgj-ggp4-xvhw
Vulnerability from github
Published
2024-05-01 15:30
Modified
2024-11-07 21:31
Details

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

clk: zynq: Prevent null pointer dereference caused by kmalloc failure

The kmalloc() in zynq_clk_setup() will return null if the physical memory has run out. As a result, if we use snprintf() to write data to the null address, the null pointer dereference bug will happen.

This patch uses a stack variable to replace the kmalloc().

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2024-27037"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T13:15:49Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: zynq: Prevent null pointer dereference caused by kmalloc failure\n\nThe kmalloc() in zynq_clk_setup() will return null if the\nphysical memory has run out. As a result, if we use snprintf()\nto write data to the null address, the null pointer dereference\nbug will happen.\n\nThis patch uses a stack variable to replace the kmalloc().",
  "id": "GHSA-xxgj-ggp4-xvhw",
  "modified": "2024-11-07T21:31:37Z",
  "published": "2024-05-01T15:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27037"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/01511ac7be8e45f80e637f6bf61af2d3d2dee9db"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0801c893fd48cdba66a3c8f44c3fe43cc67d3b85"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58a946ab43501f2eba058d24d96af0ad1122475b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7938e9ce39d6779d2f85d822cc930f73420e54a6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8c4889a9ea861d7be37463c10846eb75e1b49c9d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca976c6a592f789700200069ef9052493c0b73d8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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