ghsa-8phj-p75x-7gv8
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:

accel/ivpu: Fix race condition when unbinding BOs

Fix 'Memory manager not clean during takedown' warning that occurs when ivpu_gem_bo_free() removes the BO from the BOs list before it gets unmapped. Then file_priv_unbind() triggers a warning in drm_mm_takedown() during context teardown.

Protect the unmapping sequence with bo_list_lock to ensure the BO is always fully unmapped when removed from the list. This ensures the BO is either fully unmapped at context teardown time or present on the list and unmapped by file_priv_unbind().

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{
  "affected": [],
  "aliases": [
    "CVE-2025-68749"
  ],
  "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\naccel/ivpu: Fix race condition when unbinding BOs\n\nFix \u0027Memory manager not clean during takedown\u0027 warning that occurs\nwhen ivpu_gem_bo_free() removes the BO from the BOs list before it\ngets unmapped. Then file_priv_unbind() triggers a warning in\ndrm_mm_takedown() during context teardown.\n\nProtect the unmapping sequence with bo_list_lock to ensure the BO is\nalways fully unmapped when removed from the list. This ensures the BO\nis either fully unmapped at context teardown time or present on the\nlist and unmapped by file_priv_unbind().",
  "id": "GHSA-8phj-p75x-7gv8",
  "modified": "2025-12-24T15:30:44Z",
  "published": "2025-12-24T15:30:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68749"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/00812636df370bedf4e44a0c81b86ea96bca8628"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d71333ffdd3707d84cfb95acfaf8ba892adc066b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb16493ebd8f171bcf0772262619618a131f30f7"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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