ghsa-fx2h-pcqr-7fq9
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:

apparmor: fix a memleak in multi_transaction_new()

In multi_transaction_new(), the variable t is not freed or passed out on the failure of copy_from_user(t->data, buf, size), which could lead to a memleak.

Fix this bug by adding a put_multi_transaction(t) in the error path.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50754"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T13:16:02Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fix a memleak in multi_transaction_new()\n\nIn multi_transaction_new(), the variable t is not freed or passed out\non the failure of copy_from_user(t-\u003edata, buf, size), which could lead\nto a memleak.\n\nFix this bug by adding a put_multi_transaction(t) in the error path.",
  "id": "GHSA-fx2h-pcqr-7fq9",
  "modified": "2025-12-24T15:30:34Z",
  "published": "2025-12-24T15:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50754"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/11d5fe7da67c3334cefc981297fd5defb78df15c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d27a436e294ac5d7a51bd5348ca63a42a468b35"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/775a37ffa9f4681c4ad84c8634a7eec8af7098d4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/88989932c2269ea66074f52a6213598838f8b9e7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/935d86b29093e75b6c547d90b3979c2c2d23f1c4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/95e6adc6a7a4761ddf69ad713e55a06a3206309d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c73275cf6834787ca090317f1d20dbfa3b7f05aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eb0f78e28cbc8f97439c0a4c80ee5160c1df5ce6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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