RDMA/rxe: Fix unsafe drain work queue code

{
  "id": "def2a38058640b11016ef4c852f2c6211b6db190ad2062afb98ead7499f15188",
  "url": "https://osv.dev/vulnerability/CVE-2023-53528",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "RDMA/rxe: Fix unsafe drain work queue code",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix unsafe drain work queue code If create_qp does not fully succeed it is possible for qp cleanup code to attempt to drain the send or recv work queues before the queues have been created causing a seg fault. This patch checks to see if the queues exist before attempting to drain them.",
    "evidence": "osv:CVE-2023-53528",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.4.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.5.3",
            "evidence": "/affected/1/ranges"
          }
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        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-53528",
      "aliases": [
        "CVE-2023-53528"
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        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.4.0"
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            {
              "type": "ECOSYSTEM",
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53528.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.369735602Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/5993b75d0bc71cd2b441d174b028fc36180f032c",
        "https://git.kernel.org/stable/c/d366642b3099bd322375f5b71ba84ab1d586cd6d",
        "https://git.kernel.org/stable/c/da572f6313aeead1f79e0810666bd8d8ffc794d4",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53528.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53528",
        "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/2023/53xxx/CVE-2023-53528.json"
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    "related_cves": [
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        "value": "CVE-2023-53528",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 489400,
  "published_at": "2025-10-01T11:46:13.504+00:00"
}