CVE-2022-50842 (GCVE-0-2022-50842)
Vulnerability from cvelistv5
Published
2025-12-30 12:11
Modified
2025-12-30 12:11
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Check whether transferred 2D BO is shmem Transferred 2D BO always must be a shmem BO. Add check for that to prevent NULL dereference if userspace passes a VRAM BO.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/virtio/virtgpu_vq.c"
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          "vendor": "Linux",
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
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              "versionType": "semver"
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              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "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/virtio: Check whether transferred 2D BO is shmem\n\nTransferred 2D BO always must be a shmem BO. Add check for that to prevent\nNULL dereference if userspace passes a VRAM BO."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:11:00.439Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/f134f261d76ae3d5ecf68db642eaa746ceb84cfb"
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        },
        {
          "url": "https://git.kernel.org/stable/c/e473216b42aa1fd9fc6b94b608b42c210c655908"
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      ],
      "title": "drm/virtio: Check whether transferred 2D BO is shmem",
      "x_generator": {
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50842",
    "datePublished": "2025-12-30T12:11:00.439Z",
    "dateReserved": "2025-12-30T12:06:07.133Z",
    "dateUpdated": "2025-12-30T12:11:00.439Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50842\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:15:58.797\",\"lastModified\":\"2025-12-31T20:43:05.160\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/virtio: Check whether transferred 2D BO is shmem\\n\\nTransferred 2D BO always must be a shmem BO. Add check for that to prevent\\nNULL dereference if userspace passes a VRAM BO.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/36e133af33ea54193378b190cf92c47c12a43d34\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/989164305b933af06d69bb91044dafbd01025371\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e473216b42aa1fd9fc6b94b608b42c210c655908\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f122bcb34f1a4b02ef3d95058d8fd1316ea03785\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f134f261d76ae3d5ecf68db642eaa746ceb84cfb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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