ghsa-hxvp-23fc-849f
Vulnerability from github
Published
2025-07-25 15:30
Modified
2025-07-25 15:30
Details

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

firmware: arm_ffa: Fix memory leak by freeing notifier callback node

Commit e0573444edbf ("firmware: arm_ffa: Add interfaces to request notification callbacks") adds support for notifier callbacks by allocating and inserting a callback node into a hashtable during registration of notifiers. However, during unregistration, the code only removes the node from the hashtable without freeing the associated memory, resulting in a memory leak.

Resolve the memory leak issue by ensuring the allocated notifier callback node is properly freed after it is removed from the hashtable entry.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38390"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-25T13:15:28Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Fix memory leak by freeing notifier callback node\n\nCommit e0573444edbf (\"firmware: arm_ffa: Add interfaces to request\nnotification callbacks\") adds support for notifier callbacks by allocating\nand inserting a callback node into a hashtable during registration of\nnotifiers. However, during unregistration, the code only removes the\nnode from the hashtable without freeing the associated memory, resulting\nin a memory leak.\n\nResolve the memory leak issue by ensuring the allocated notifier callback\nnode is properly freed after it is removed from the hashtable entry.",
  "id": "GHSA-hxvp-23fc-849f",
  "modified": "2025-07-25T15:30:52Z",
  "published": "2025-07-25T15:30:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38390"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/076fa20b4f5737c34921dbb152f9efceaee571b2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/938827c440564b2cf2f9b804d1fe81ce8267eded"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a833d31ad867103ba72a0b73f3606f4ab8601719"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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