ghsa-q94m-6jg9-pcmh
Vulnerability from github
Published
2024-12-28 12:30
Modified
2025-01-08 18:30
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

PCI: endpoint: epf-mhi: Avoid NULL dereference if DT lacks 'mmio'

If platform_get_resource_byname() fails and returns NULL because DT lacks an 'mmio' property for the MHI endpoint, dereferencing res->start will cause a NULL pointer access. Add a check to prevent it.

[kwilczynski: error message update per the review feedback] [bhelgaas: commit log]

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{
  "affected": [],
  "aliases": [
    "CVE-2024-56689"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-28T10:15:13Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: epf-mhi: Avoid NULL dereference if DT lacks \u0027mmio\u0027\n\nIf platform_get_resource_byname() fails and returns NULL because DT lacks\nan \u0027mmio\u0027 property for the MHI endpoint, dereferencing res-\u003estart will\ncause a NULL pointer access. Add a check to prevent it.\n\n[kwilczynski: error message update per the review feedback]\n[bhelgaas: commit log]",
  "id": "GHSA-q94m-6jg9-pcmh",
  "modified": "2025-01-08T18:30:48Z",
  "published": "2024-12-28T12:30:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-56689"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0e6d92e3b973de78eb7015154cf1197af9fac5c9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/242ee2b0ad9b23f47084904fce3f9f228068a1f9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5089b3d874e9933d9842e90410d3af1520494757"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8b9d6b7d62a444e0bca5b9ae28f9f2b0f52feef"
    }
  ],
  "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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