mtd: rawnand: cadence: fix possible null-ptr-deref in cadence_nand_dt_probe()

{
  "id": "2f42c33af0604ddc774f0a0d8878bc1d5ece8d4cb9474a1f4cfa048dcf3f9790",
  "url": "https://osv.dev/vulnerability/CVE-2022-49494",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "mtd: rawnand: cadence: fix possible null-ptr-deref in cadence_nand_dt_probe()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: cadence: fix possible null-ptr-deref in cadence_nand_dt_probe() It will cause null-ptr-deref when using 'res', if platform_get_resource() returns NULL, so move using 'res' after devm_ioremap_resource() that will check it to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.",
    "evidence": "osv:CVE-2022-49494",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.121",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.46",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.17.14",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.18.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2022-49494",
      "aliases": [
        "CVE-2022-49494"
      ],
      "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": "ec4ba01e894d3165e4d1ccbef782ef5593b708b4"
                },
                {
                  "fixed": "81f1ddffdc22ca5789e33b9d4712914e302090c1"
                },
                {
                  "fixed": "0cfee868b89ffa945f3d535ee5c985cb40c5a0f8"
                },
                {
                  "fixed": "069af5e27c1b0f7677ef76d8d3102e503ca4f80b"
                },
                {
                  "fixed": "13b60d3dc84b47307669edb66b633b18466014b4"
                },
                {
                  "fixed": "a28ed09dafee20da51eb26452950839633afd824"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49494.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.121"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.46"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "5.17.14"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.18.0"
                },
                {
                  "fixed": "5.18.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49494.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:44.855949987Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/069af5e27c1b0f7677ef76d8d3102e503ca4f80b",
        "https://git.kernel.org/stable/c/0cfee868b89ffa945f3d535ee5c985cb40c5a0f8",
        "https://git.kernel.org/stable/c/13b60d3dc84b47307669edb66b633b18466014b4",
        "https://git.kernel.org/stable/c/81f1ddffdc22ca5789e33b9d4712914e302090c1",
        "https://git.kernel.org/stable/c/a28ed09dafee20da51eb26452950839633afd824",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49494.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49494",
        "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-2022-49494.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49494",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 512584,
  "published_at": "2025-02-26T02:13:30.184+00:00"
}