nfsd: Fix a memory leak in an error handling path

{
  "id": "f0b8ace82184763fca1a3ed2af68117a648d01e708b5a91d44a23a947e996e22",
  "url": "https://osv.dev/vulnerability/CVE-2022-50348",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "nfsd: Fix a memory leak in an error handling path",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: nfsd: Fix a memory leak in an error handling path If this memdup_user() call fails, the memory allocated in a previous call a few lines above should be freed. Otherwise it leaks.",
    "evidence": "osv:CVE-2022-50348",
    "products": [
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        "name": {
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            "value": "5.15.75",
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          {
            "value": "5.19.17",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.0.3",
            "evidence": "/affected/1/ranges"
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        "affected_versions": []
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    "severity": "medium",
    "structured": {
      "id": "CVE-2022-50348",
      "aliases": [
        "CVE-2022-50348"
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      "metrics": [
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          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
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              "type": "ECOSYSTEM",
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                  "introduced": "5.4.0"
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            "name": "Kernel",
            "ecosystem": "Linux"
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      ],
      "modified": "2026-10-28T02:30:42.464174838Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/733dd17158f96aaa25408dc39bbb2738fda9300e",
        "https://git.kernel.org/stable/c/acc393aecda05bf64ed13b732931462e07a1bf08",
        "https://git.kernel.org/stable/c/aed8816305575b38dcc77feb6f1bc1d0ed32f5b8",
        "https://git.kernel.org/stable/c/cc3bca2110ac85cd964da997ef83d84cab0d49fb",
        "https://git.kernel.org/stable/c/e060c4b9f33c1fca74df26d57a98e784295327e6",
        "https://git.kernel.org/stable/c/fd1ef88049de09bc70d60b549992524cfc0e66ff",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50348.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50348",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50348.json"
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        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
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  "source_id": "core-osv",
  "document_id": 510245,
  "published_at": "2025-09-16T16:11:40.617+00:00"
}