{
  "id": "CVE-2024-57798",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-01-11T13:15:29.743",
  "lastModified": "2025-02-03T14:53:23.433",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req()\n\nWhile receiving an MST up request message from one thread in\ndrm_dp_mst_handle_up_req(), the MST topology could be removed from\nanother thread via drm_dp_mst_topology_mgr_set_mst(false), freeing\nmst_primary and setting drm_dp_mst_topology_mgr::mst_primary to NULL.\nThis could lead to a NULL deref/use-after-free of mst_primary in\ndrm_dp_mst_handle_up_req().\n\nAvoid the above by holding a reference for mst_primary in\ndrm_dp_mst_handle_up_req() while it's used.\n\nv2: Fix kfreeing the request if getting an mst_primary reference fails."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/dp_mst: garantizar que el puntero mst_primary sea v\u00e1lido en drm_dp_mst_handle_up_req() Al recibir un mensaje de solicitud de activaci\u00f3n de MST de un hilo en drm_dp_mst_handle_up_req(), la topolog\u00eda de MST podr\u00eda eliminarse de otro hilo mediante drm_dp_mst_topology_mgr_set_mst(false), liberando mst_primary y estableciendo drm_dp_mst_topology_mgr::mst_primary en NULL. Esto podr\u00eda conducir a una desreferencia/use after free de NULL de mst_primary en drm_dp_mst_handle_up_req(). Evite lo anterior manteniendo una referencia para mst_primary en drm_dp_mst_handle_up_req() mientras se usa. v2: Se soluciona el problema de liberar la solicitud si falla la obtenci\u00f3n de una referencia mst_primary."
    }
  ],
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        "type": "Primary",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-416"
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          "lang": "en",
          "value": "CWE-476"
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