ghsa-wp6p-8vq9-pc32
Vulnerability from github
Published
2025-12-24 15:30
Modified
2025-12-24 15:30
Details

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

drm/panthor: Fix UAF race between device unplug and FW event processing

The function panthor_fw_unplug() will free the FW memory sections. The problem is that there could still be pending FW events which are yet not handled at this point. process_fw_events_work() can in this case try to access said freed memory.

Simply call disable_work_sync() to both drain and prevent future invocation of process_fw_events_work().

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{
  "affected": [],
  "aliases": [
    "CVE-2025-68748"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T13:16:29Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/panthor: Fix UAF race between device unplug and FW event processing\n\nThe function panthor_fw_unplug() will free the FW memory sections.\nThe problem is that there could still be pending FW events which are yet\nnot handled at this point. process_fw_events_work() can in this case try\nto access said freed memory.\n\nSimply call disable_work_sync() to both drain and prevent future\ninvocation of process_fw_events_work().",
  "id": "GHSA-wp6p-8vq9-pc32",
  "modified": "2025-12-24T15:30:44Z",
  "published": "2025-12-24T15:30:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68748"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31db188355a49337e3e8ec98b99377e482eab22c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5e3ff56d4cb591daea70786d07dc21d06dc34108"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c1da9ae2c123a9ffda5375e64cc81f9ed3cc04a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7051f6ba968fa69918d72cc26de4d6cf7ea05b90"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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