{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-80647",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-80647"
  ],
  "published": "2026-08-28T06:50:33Z",
  "summary": "RDMA/hns: Fix warning in poll cq direct mode",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix warning in poll cq direct mode\n\nCQs allocated by ib_alloc_cq() always have a comp_handler. Though\nin direct mode this handler is never expected to be called, it\nis still called when the driver is reset, triggering the following\nWARN_ONCE():\n\nCall trace:\nib_cq_completion_direct+0x38/0x60\nhns_roce_cq_completion+0x54/0x90 (hns_roce_hw_v2]\nhns_roce_handle_device_err+Ox1c8/0x340 [hns_roce_hw_v2]\nhns_roce_hw_v2_uninit_instance.constprop.0+0x34/0x70 [hns_roce_hw_v2]\nhns_roce_hw_v2_reset_notify+0xc4/0xe0 [hns_roce_hw_v2]\nhclge_notify_roce_client+0x60/0xbc [hclge]\nhclge_reset_rebuild+0x48/0x34c [hclge]\nhclge_reset_subtask+0xcc/0xec [hclge]\nhclge_reset_service_task+0x80/0x160 [hclge]\nhclge_service_task+0x50/0x80 (hclge]\nprocess_one_work+0x1cc/0x4d0\nworker_thread+0x154/0x414\nkthread+0x104/0x144\nret_from_fork+0x10/0x18",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.178",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-80647"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e7d363c0ffa836ac1d89657686cad241392c5eb2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c028c1977b6e61eee26bb69332453efb6513f83b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a075a7acd155ffdd058e72eb3f4cce1207ebafa1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9f05319149c14acedb83e2c2842ec4b38992ad9f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/16138ea9833d6bb1bed37a3321f282242704bf02"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1e56f8886d64288cf88d80af44c7b9148aeaa98b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-28T06:50:33Z"
  }
}
