RDMA/irdma: Fix potential NULL-ptr-dereference

{
  "id": "69879ed4c901091c3eaaf72210b23e48f2867c50d772f3bd750249314d3ea9fc",
  "url": "https://osv.dev/vulnerability/CVE-2023-52744",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "RDMA/irdma: Fix potential NULL-ptr-dereference",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix potential NULL-ptr-dereference in_dev_get() can return NULL which will cause a failure once idev is dereferenced in in_dev_for_each_ifa_rtnl(). This patch adds a check for NULL value in idev beforehand. Found by Linux Verification Center (linuxtesting.org) with SVACE.",
    "evidence": "osv:CVE-2023-52744",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.94",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.12",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-52744",
      "aliases": [
        "CVE-2023-52744"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "fixed": "8f5fe1cd8e6a97f94840b55f59ed08cbc397086f"
                },
                {
                  "fixed": "360682fe7df262d94fae54f737c487bec0f9190d"
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                  "fixed": "5d9745cead1f121974322b94ceadfb4d1e67960e"
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52744.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.14.0"
                },
                {
                  "fixed": "5.15.94"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.12"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52744.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:53.498842982Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/360682fe7df262d94fae54f737c487bec0f9190d",
        "https://git.kernel.org/stable/c/5d9745cead1f121974322b94ceadfb4d1e67960e",
        "https://git.kernel.org/stable/c/8f5fe1cd8e6a97f94840b55f59ed08cbc397086f",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52744.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52744",
        "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/2023/52xxx/CVE-2023-52744.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-52744",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521977,
  "published_at": "2024-05-21T15:23:05.937+00:00"
}