RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port

{
  "id": "596abe7d2b0bccd6da2f7f1eed1d8682f725e3e5c6e2165e5a083cf692d519c3",
  "url": "https://osv.dev/vulnerability/CVE-2026-43282",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: RDMA/ionic: Fix potential NULL pointer dereference in ionic_query_port The function ionic_query_port() calls ib_device_get_netdev() without checking the return value which could lead to NULL pointer dereference, Fix it by checking the return value and return -ENODEV if the 'ndev' is NULL.",
    "evidence": "osv:CVE-2026-43282",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.18.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.19.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-43282",
      "aliases": [
        "CVE-2026-43282"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2075bbe8ef03914aa2211035eec45d1d3a5c4ff2"
                },
                {
                  "fixed": "2b96156c927cd83c109e2e3946e6111dce73231f"
                },
                {
                  "fixed": "81932a46dfd0db10a03f46f0b1c7ef946ac4552f"
                },
                {
                  "fixed": "fd80bd7105f88189f47d465ca8cb7d115570de30"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43282.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.18.0"
                },
                {
                  "fixed": "6.18.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "6.19.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43282.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.420289535Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2b96156c927cd83c109e2e3946e6111dce73231f",
        "https://git.kernel.org/stable/c/81932a46dfd0db10a03f46f0b1c7ef946ac4552f",
        "https://git.kernel.org/stable/c/fd80bd7105f88189f47d465ca8cb7d115570de30",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43282.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43282",
        "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/2026/43xxx/CVE-2026-43282.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-43282",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 505499,
  "published_at": "2026-05-06T11:29:03+00:00"
}