drm/panel: ili9341: fix optional regulator handling

{
  "id": "4f10ac4bfc87fb93df5ce216260471ff32ac84d7428c38cdbf762b29f4166755",
  "url": "https://osv.dev/vulnerability/CVE-2022-49071",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/panel: ili9341: fix optional regulator handling",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/panel: ili9341: fix optional regulator handling If the optional regulator lookup fails, reset the pointer to NULL. Other functions such as mipi_dbi_poweron_reset_conditional() only do a NULL pointer check and will otherwise dereference the error pointer.",
    "evidence": "osv:CVE-2022-49071",
    "products": [
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          "value": "Kernel",
          "evidence": "/affected/1/package/name"
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        "prerequisites": [],
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            "value": "5.16.20",
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          {
            "value": "5.17.3",
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        "affected_versions": []
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    "severity": "medium",
    "structured": {
      "id": "CVE-2022-49071",
      "aliases": [
        "CVE-2022-49071"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
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              "type": "ECOSYSTEM",
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            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
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      ],
      "modified": "2026-10-28T02:30:38.473092361Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/28dc1503a9d36654f9c61adb2915682515a30f71",
        "https://git.kernel.org/stable/c/4ea189854b1e625ed5ec80d30147870f984db44c",
        "https://git.kernel.org/stable/c/d14eb80e27795b7b20060f7b151cdfe39722a813",
        "https://git.kernel.org/stable/c/e3d982c111a6c033671dd6084b07f62fbf50f76f",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49071.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49071",
        "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-2022-49071.json"
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    },
    "related_cves": [
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        "value": "CVE-2022-49071",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
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  "source_id": "core-osv",
  "document_id": 505530,
  "published_at": "2025-02-26T01:54:36.821+00:00"
}