mtd: core: add missing of_node_get() in dynamic partitions code

{
  "id": "8a63f3fca83827bb657dd9bd0a5ec00d4d8ab59616aa5520feffbfc02f5c799b",
  "url": "https://osv.dev/vulnerability/CVE-2022-50283",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "mtd: core: add missing of_node_get() in dynamic partitions code",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: mtd: core: add missing of_node_get() in dynamic partitions code This fixes unbalanced of_node_put(): [ 1.078910] 6 cmdlinepart partitions found on MTD device gpmi-nand [ 1.085116] Creating 6 MTD partitions on \"gpmi-nand\": [ 1.090181] 0x000000000000-0x000008000000 : \"nandboot\" [ 1.096952] 0x000008000000-0x000009000000 : \"nandfit\" [ 1.103547] 0x000009000000-0x00000b000000 : \"nandkernel\" [ 1.110317] 0x00000b000000-0x00000c000000 : \"nanddtb\" [ 1.115525] ------------[ cut here ]------------ [ 1.120141] refcount_t: addition on 0; use-after-free. [ 1.125328] WARNING: CPU: 0 PID: 1 at lib/refcount.c:25 refcount_warn_saturate+0xdc/0x148 [ 1.133528] Modules linked in: [ 1.136589] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc7-next-20220930-04543-g8cf3f7 [ 1.146342] Hardware name: Freescale i.MX8DXL DDR3L EVK (DT) [ 1.151999] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 1.158965] pc : refcount_warn_saturate+0xdc/0x148 [ 1.163760] lr : refcount_warn_saturate+0xdc/0x148 [ 1.168556] sp : ffff800009ddb080 [ 1.171866] x29: ffff800009ddb080 x28: ffff800009ddb35a x27: 0000000000000002 [ 1.179015] x26: ffff8000098b06ad x25: ffffffffffffffff x24: ffff0a00ffffff05 [ 1.186165] x23: ffff00001fdf6470 x22: ffff800009ddb367 x21: 0000000000000000 [ 1.193314] x20: ffff00001fdfebe8 x19: ffff00001fdfec50 x18: ffffffffffffffff [ 1.200464] x17: 0000000000000000 x16: 0000000000000118 x15: 0000000000000004 [ 1.207614",
    "evidence": "osv:CVE-2022-50283",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.0.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2022-50283",
      "aliases": [
        "CVE-2022-50283"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ad9b10d1eaada169bd764abcab58f08538877e26"
                },
                {
                  "fixed": "9e54ce00505d291ef88f2c05e5eef46269daf83c"
                },
                {
                  "fixed": "12b58961de0bd88b3c7dfa5d21f6d67f4678b780"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50283.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.0.0"
                },
                {
                  "fixed": "6.0.7"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50283.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.348483972Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/12b58961de0bd88b3c7dfa5d21f6d67f4678b780",
        "https://git.kernel.org/stable/c/9e54ce00505d291ef88f2c05e5eef46269daf83c",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50283.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50283",
        "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/2022/50xxx/CVE-2022-50283.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50283",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495046,
  "published_at": "2025-09-15T14:21:19.574+00:00"
}