extcon: Modify extcon device to be created after driver data is set

{
  "id": "079f1f1165efac844290dc2ef913c318936dde953b861c2e0c2b57691830df4f",
  "url": "https://osv.dev/vulnerability/CVE-2022-49308",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "extcon: Modify extcon device to be created after driver data is set",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: extcon: Modify extcon device to be created after driver data is set Currently, someone can invoke the sysfs such as state_show() intermittently before dev_set_drvdata() is done. And it can be a cause of kernel Oops because of edev is Null at that time. So modified the driver registration to after setting drviver data. - Oops's backtrace. Backtrace: [] (state_show) from [] (dev_attr_show) [] (dev_attr_show) from [] (sysfs_kf_seq_show) [] (sysfs_kf_seq_show) from [] (kernfs_seq_show) [] (kernfs_seq_show) from [] (seq_read) [] (seq_read) from [] (kernfs_fop_read) [] (kernfs_fop_read) from [] (__vfs_read) [] (__vfs_read) from [] (vfs_read) [] (vfs_read) from [] (ksys_read) [] (ksys_read) from [] (sys_read) [] (sys_read) from [] (__sys_trace_return)",
    "evidence": "osv:CVE-2022-49308",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.14.283",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.19.247",
            "evidence": "/affected/1/ranges"
          },
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            "value": "5.4.198",
            "evidence": "/affected/1/ranges"
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            "value": "5.10.122",
            "evidence": "/affected/1/ranges"
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            "value": "5.15.47",
            "evidence": "/affected/1/ranges"
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          {
            "value": "5.17.15",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.18.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-49308",
      "aliases": [
        "CVE-2022-49308"
      ],
      "affected": [
        {
          "ranges": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                {
                  "fixed": "cb81ea998c461868d1168411a867d8ffee12f23f"
                },
                {
                  "fixed": "d472c78cc82999d07bd09193a6718016ce9cd386"
                },
                {
                  "fixed": "abf3b222614f49f98e606fccdd269161c0d70204"
                },
                {
                  "fixed": "368e68ad6da4317fc4170e8d92b51c13d1bfe7a7"
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                {
                  "fixed": "35ff1ac55d301efb3f467cf5426faaeb3452994b"
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        {
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              "type": "ECOSYSTEM",
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                  "introduced": "3.5.0"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49308.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:39.771101304Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/033ec4e7e59ae5e1ef1e8c10bc6552926044ed1c",
        "https://git.kernel.org/stable/c/35ff1ac55d301efb3f467cf5426faaeb3452994b",
        "https://git.kernel.org/stable/c/368e68ad6da4317fc4170e8d92b51c13d1bfe7a7",
        "https://git.kernel.org/stable/c/5dcc2afe716d69f5112ce035cb14f007461ff189",
        "https://git.kernel.org/stable/c/6e721f3ad0535b24f19a62420f4da95212cf069c",
        "https://git.kernel.org/stable/c/abf3b222614f49f98e606fccdd269161c0d70204",
        "https://git.kernel.org/stable/c/cb81ea998c461868d1168411a867d8ffee12f23f",
        "https://git.kernel.org/stable/c/d472c78cc82999d07bd09193a6718016ce9cd386",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49308.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49308",
        "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-2022-49308.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49308",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 506907,
  "published_at": "2025-02-26T02:10:39.648+00:00"
}