net: dsa: felix: fix possible NULL pointer dereference

{
  "id": "c20751ce1ac81507fb80101545b9dba3f711c78d562f417aa7abd96a4c4681af",
  "url": "https://osv.dev/vulnerability/CVE-2022-49141",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: dsa: felix: fix possible NULL pointer dereference",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: dsa: felix: fix possible NULL pointer dereference As the possible failure of the allocation, kzalloc() may return NULL pointer. Therefore, it should be better to check the 'sgi' in order to prevent the dereference of NULL pointer.",
    "evidence": "osv:CVE-2022-49141",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.17.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2022-49141",
      "aliases": [
        "CVE-2022-49141"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "23ae3a7877718931474684ef4fbbaf1d1511ee84"
                },
                {
                  "fixed": "b7ff8b5e75d4e91ec8c62d621aac8dfb84c57aa9"
                },
                {
                  "fixed": "866b7a278cdb51eb158cd8513bc7438fc857804a"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49141.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.17.0"
                },
                {
                  "fixed": "5.17.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49141.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.274028040Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/866b7a278cdb51eb158cd8513bc7438fc857804a",
        "https://git.kernel.org/stable/c/b7ff8b5e75d4e91ec8c62d621aac8dfb84c57aa9",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49141.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49141",
        "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/2022/49xxx/CVE-2022-49141.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49141",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517287,
  "published_at": "2025-02-26T01:55:12.197+00:00"
}