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CVE-2022-50317 drm/bridge: megachips: Fix a null pointer dereference bug

🗓️ 15 Sep 2025 14:48:50Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

CVE-2022-50317: Fix null pointer in megachips drm bridge removal when bridges are not probed.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c"
    ],
    "versions": [
      {
        "version": "7649972d97fb98578fbc4a351416cf72895e7c4d",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "16e3827904932eccfba0915f0c93b519de3536ac",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "50ad94f8654a53ec9ca3604a7a23cbaf166e0119",
        "lessThan": "1daf69228e310938177119c4eadcd30fc75c81e0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b8d10f601f226f055df8b5368d7ea7f369136cd5",
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        "status": "affected",
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      },
      {
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      },
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      },
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      },
      {
        "version": "e449461989f0674f188d30494ffd3f5ba74c1a05",
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      },
      {
        "version": "4.14.263",
        "lessThan": "4.14.296",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.19.226",
        "lessThan": "4.19.262",
        "status": "affected",
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      },
      {
        "version": "5.4.174",
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      },
      {
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      {
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c"
    ],
    "versions": [
      {
        "version": "5.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.296",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.262",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.220",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.150",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.75",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.17",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.3",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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