ghsa-gq5h-xxh9-g765
Vulnerability from github
Published
2025-12-16 15:30
Modified
2025-12-16 15:30
Details

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

mtd: rawnand: cadence: fix DMA device NULL pointer dereference

The DMA device pointer dma_dev was being dereferenced before ensuring that cdns_ctrl->dmac is properly initialized.

Move the assignment of dma_dev after successfully acquiring the DMA channel to ensure the pointer is valid before use.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-68238"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-16T14:15:58Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: cadence: fix DMA device NULL pointer dereference\n\nThe DMA device pointer `dma_dev` was being dereferenced before ensuring\nthat `cdns_ctrl-\u003edmac` is properly initialized.\n\nMove the assignment of `dma_dev` after successfully acquiring the DMA\nchannel to ensure the pointer is valid before use.",
  "id": "GHSA-gq5h-xxh9-g765",
  "modified": "2025-12-16T15:30:46Z",
  "published": "2025-12-16T15:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68238"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c2a43cb43786011b48eeab6093db14888258c6b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c635241a62f2f5da1b48bfffae226d1f86a76ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2178b0255eae108bb10e5e99658b28641bc06f43"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5c56bf214af85ca042bf97f8584aab2151035840"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9c58c64ec41290c12490ca7e1df45013fbbb41fd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b146e0b085d9d6bfe838e0a15481cba7d093c67f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e282a4fdf3c6ee842a720010a8b5f7d77bedd126"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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