net: hns: fix possible memory leak in hnae_ae_register()

{
  "id": "b9cc95cb9842be12703a64b9adea3255476a4f1976f352a15d25c30c9dcde348",
  "url": "https://osv.dev/vulnerability/CVE-2022-50352",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: hns: fix possible memory leak in hnae_ae_register()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: hns: fix possible memory leak in hnae_ae_register() Inject fault while probing module, if device_register() fails, but the refcount of kobject is not decreased to 0, the name allocated in dev_set_name() is leaked. Fix this by calling put_device(), so that name can be freed in callback function kobject_cleanup(). unreferenced object 0xffff00c01aba2100 (size 128): comm \"systemd-udevd\", pid 1259, jiffies 4294903284 (age 294.152s) hex dump (first 32 bytes): 68 6e 61 65 30 00 00 00 18 21 ba 1a c0 00 ff ff hnae0....!...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000034783f26>] slab_post_alloc_hook+0xa0/0x3e0 [<00000000748188f2>] __kmem_cache_alloc_node+0x164/0x2b0 [<00000000ab0743e8>] __kmalloc_node_track_caller+0x6c/0x390 [<000000006c0ffb13>] kvasprintf+0x8c/0x118 [<00000000fa27bfe1>] kvasprintf_const+0x60/0xc8 [<0000000083e10ed7>] kobject_set_name_vargs+0x3c/0xc0 [<000000000b87affc>] dev_set_name+0x7c/0xa0 [<000000003fd8fe26>] hnae_ae_register+0xcc/0x190 [hnae] [<00000000fe97edc9>] hns_dsaf_ae_init+0x9c/0x108 [hns_dsaf] [<00000000c36ff1eb>] hns_dsaf_probe+0x548/0x748 [hns_dsaf]",
    "evidence": "osv:CVE-2022-50352",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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    "severity": "medium",
    "structured": {
      "id": "CVE-2022-50352",
      "aliases": [
        "CVE-2022-50352"
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      "metrics": [
        {
          "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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      ],
      "modified": "2026-10-28T02:30:21.112266138Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/02dc0db19d944b4a90941db505ecf1aaec714be4",
        "https://git.kernel.org/stable/c/2974f3b330ef25f5d34a4948d04290c2cd7802cf",
        "https://git.kernel.org/stable/c/3b78453cca046d3b03853f0d077ad3ad130db886",
        "https://git.kernel.org/stable/c/7ae1345f6ad715acbcdc9e1ac28153684fd498bb",
        "https://git.kernel.org/stable/c/91f8f5342bee726ed5692583d58f69e7cc9ae60e",
        "https://git.kernel.org/stable/c/a3c148955c22fe1d94d7a2096005679c1f22eddf",
        "https://git.kernel.org/stable/c/dfc0337c6dceb6449403b33ecb141f4a1458a1e9",
        "https://git.kernel.org/stable/c/ff2f5ec5d009844ec28f171123f9e58750cef4bf",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50352.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50352",
        "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-2022-50352.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50352",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 486988,
  "published_at": "2025-09-16T16:11:43.458+00:00"
}