RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled

{
  "id": "64379ef27c63dd09bc2a856ccef0caccd1b55bcc50694db4a95806b3a69660db",
  "url": "https://osv.dev/vulnerability/CVE-2024-47735",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled Fix missuse of spin_lock_irq()/spin_unlock_irq() when spin_lock_irqsave()/spin_lock_irqrestore() was hold. This was discovered through the lock debugging, and the corresponding log is as follows: raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 96 PID: 2074 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x30/0x40 ... Call trace: warn_bogus_irq_restore+0x30/0x40 _raw_spin_unlock_irqrestore+0x84/0xc8 add_qp_to_list+0x11c/0x148 [hns_roce_hw_v2] hns_roce_create_qp_common.constprop.0+0x240/0x780 [hns_roce_hw_v2] hns_roce_create_qp+0x98/0x160 [hns_roce_hw_v2] create_qp+0x138/0x258 ib_create_qp_kernel+0x50/0xe8 create_mad_qp+0xa8/0x128 ib_mad_port_open+0x218/0x448 ib_mad_init_device+0x70/0x1f8 add_client_context+0xfc/0x220 enable_device_and_get+0xd0/0x140 ib_register_device.part.0+0xf4/0x1c8 ib_register_device+0x34/0x50 hns_roce_register_device+0x174/0x3d0 [hns_roce_hw_v2] hns_roce_init+0xfc/0x2c0 [hns_roce_hw_v2] __hns_roce_hw_v2_init_instance+0x7c/0x1d0 [hns_roce_hw_v2] hns_roce_hw_v2_init_instance+0x9c/0x180 [hns_roce_hw_v2]",
    "evidence": "osv:CVE-2024-47735",
    "products": [
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        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
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        "prerequisites": [],
        "fixed_versions": [
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            "value": "5.10.227",
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        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
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      "aliases": [
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      "modified": "2026-10-28T02:30:27.969791079Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-265688.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-355557.html",
        "https://git.kernel.org/stable/c/07f0f643d7e570dbe8ef6f5c3367a43e3086a335",
        "https://git.kernel.org/stable/c/094a1821903f33fb91de4b71087773ee16aeb3a0",
        "https://git.kernel.org/stable/c/2656336a84fcb6802f6e6c233f4661891deea24f",
        "https://git.kernel.org/stable/c/29c0f546d3fd66238b42cf25bcd5f193bb1cf794",
        "https://git.kernel.org/stable/c/425589d4af09c49574bd71ac31f811362a5126c3",
        "https://git.kernel.org/stable/c/74d315b5af180220d561684d15897730135733a6",
        "https://git.kernel.org/stable/c/a1a3403bb1826c8ec787f0d60c3e7b54f419129e",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47735.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-47735",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
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    "related_cves": [
      {
        "value": "CVE-2024-47735",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 494575,
  "published_at": "2024-10-21T12:14:05.876+00:00"
}