RDMA/hns: Fix Use-After-Free of rsv_qp on HIP08

{
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  "url": "https://osv.dev/vulnerability/CVE-2024-47750",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "RDMA/hns: Fix Use-After-Free of rsv_qp on HIP08",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix Use-After-Free of rsv_qp on HIP08 Currently rsv_qp is freed before ib_unregister_device() is called on HIP08. During the time interval, users can still dereg MR and rsv_qp will be used in this process, leading to a UAF. Move the release of rsv_qp after calling ib_unregister_device() to fix it.",
    "evidence": "osv:CVE-2024-47750",
    "products": [
      {
        "name": {
          "value": "Kernel",
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            "evidence": "/affected/1/ranges"
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          {
            "value": "6.10.13",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.11.2",
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    "severity": "high",
    "structured": {
      "id": "CVE-2024-47750",
      "aliases": [
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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:H/I:H/A:H"
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      "modified": "2026-10-28T02:30:42.680777882Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2ccf1c75d39949d8ea043d04a2e92d7100ea723d",
        "https://git.kernel.org/stable/c/60595923371c2ebe7faf82536c47eb0c967e3425",
        "https://git.kernel.org/stable/c/d2d9c5127122745da6e887f451dd248cfeffca33",
        "https://git.kernel.org/stable/c/dac2723d8bfa9cf5333f477741e6e5fa1ed34645",
        "https://git.kernel.org/stable/c/fd8489294dd2beefb70f12ec4f6132aeec61a4d0",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47750.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-47750",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
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        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47750.json"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
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  "source_id": "core-osv",
  "document_id": 510212,
  "published_at": "2024-10-21T12:14:15.786+00:00"
}