CVE-2022-50878 (GCVE-0-2022-50878)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:23 – Updated: 2025-12-30 12:23
VLAI?
Title
gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()
Summary
In the Linux kernel, the following vulnerability has been resolved: gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init() A NULL check for bridge->encoder shows that it may be NULL, but it already been dereferenced on all paths leading to the check. 812 if (!bridge->encoder) { Dereference the pointer bridge->encoder. 810 drm_connector_attach_encoder(&lt9611->connector, bridge->encoder);
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3959e8faf8bf6bea619e8856c736db64e6eced37 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a29f7427041a943484f916157c43c46d3bbf25d4 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b2e4323e0020213f44dca6ffc815d66aef39f6f6 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 912f84e15e94ab87f5a7156aa1870090373d8304 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ef8886f321c5dab8124b9153d25afa2a71d05323 (git)
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    Linux Linux Unaffected: 5.10.150 , ≤ 5.10.* (semver)
Unaffected: 5.15.75 , ≤ 5.15.* (semver)
Unaffected: 5.19.17 , ≤ 5.19.* (semver)
Unaffected: 6.0.3 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
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{
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          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/bridge/lontium-lt9611.c"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()\n\nA NULL check for bridge-\u003eencoder shows that it may be NULL, but it\nalready been dereferenced on all paths leading to the check.\n812\tif (!bridge-\u003eencoder) {\n\nDereference the pointer bridge-\u003eencoder.\n810\tdrm_connector_attach_encoder(\u0026lt9611-\u003econnector, bridge-\u003eencoder);"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:23:18.173Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      ],
      "title": "gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50878",
    "datePublished": "2025-12-30T12:23:18.173Z",
    "dateReserved": "2025-12-30T12:06:07.137Z",
    "dateUpdated": "2025-12-30T12:23:18.173Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50878\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:02.843\",\"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\\ngpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()\\n\\nA NULL check for bridge-\u003eencoder shows that it may be NULL, but it\\nalready been dereferenced on all paths leading to the check.\\n812\\tif (!bridge-\u003eencoder) {\\n\\nDereference the pointer bridge-\u003eencoder.\\n810\\tdrm_connector_attach_encoder(\u0026lt9611-\u003econnector, bridge-\u003eencoder);\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3959e8faf8bf6bea619e8856c736db64e6eced37\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/912f84e15e94ab87f5a7156aa1870090373d8304\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a29f7427041a943484f916157c43c46d3bbf25d4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b2e4323e0020213f44dca6ffc815d66aef39f6f6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ef8886f321c5dab8124b9153d25afa2a71d05323\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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