CVE-2026-98148 (GCVE-0-2026-98148)
Vulnerability from cvelistv5
Published
2026-09-25 10:36
Modified
2026-10-21 12:54
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/gud: validate GUD_ROTATION_0 is present in supported rotations The rotation argument to drm_plane_create_rotation_property() is set to DRM_MODE_ROTATE_0, and the device reported rotation bitmask is used as the supported_rotations argument. The driver never validates that GUD_ROTATION_0 is present, so a device that omits it from its GUD_PROPERTY_ROTATION triggers the WARN_ON(rotation & ~supported_rotations) in drm_plane_create_rotation_property() Fix this by skipping the creation of rotation property if the device doesn't have the GUD_ROTATION_0 bit
References
Impacted products
Vendor Product Version
Linux Linux Version: 40e1a70b4aedf2859a1829991b48ef0ebe650bf2
Version: 40e1a70b4aedf2859a1829991b48ef0ebe650bf2
Version: 40e1a70b4aedf2859a1829991b48ef0ebe650bf2
Version: 40e1a70b4aedf2859a1829991b48ef0ebe650bf2
Version: 40e1a70b4aedf2859a1829991b48ef0ebe650bf2
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{
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          "programFiles": [
            "drivers/gpu/drm/gud/gud_drv.c"
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          "vendor": "Linux",
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              "version": "7.3",
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      "cpeApplicability": [
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          "nodes": [
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gud: validate GUD_ROTATION_0 is present in supported rotations\n\nThe rotation argument to drm_plane_create_rotation_property() is set to\nDRM_MODE_ROTATE_0, and the device reported rotation bitmask is used as\nthe supported_rotations argument. The driver never validates that\nGUD_ROTATION_0 is present, so a device that omits it from its\nGUD_PROPERTY_ROTATION triggers the\nWARN_ON(rotation \u0026 ~supported_rotations) in\ndrm_plane_create_rotation_property()\n\nFix this by skipping the creation of rotation property if the device\ndoesn\u0027t have the GUD_ROTATION_0 bit"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-21T12:54:42.819Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ce7da178f1af4e9cbac4d0440c4002785546bfb5"
        },
        {
          "url": "https://git.kernel.org/stable/c/962cdf2eedb2708eb99c25ffb56c6d6981d41ed6"
        },
        {
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        },
        {
          "url": "https://git.kernel.org/stable/c/876b33d8a9a00e9d4bbcbb7f55ad2c05974850de"
        },
        {
          "url": "https://git.kernel.org/stable/c/cb732d027aa18e1fcf9d2797f47d20b179ebc59c"
        }
      ],
      "title": "drm/gud: validate GUD_ROTATION_0 is present in supported rotations",
      "x_generator": {
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      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98148",
    "datePublished": "2026-09-25T10:36:21.562Z",
    "dateReserved": "2026-09-25T10:25:14.320Z",
    "dateUpdated": "2026-10-21T12:54:42.819Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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