{
  "id": "CVE-2021-47253",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-21T15:15:14.160",
  "lastModified": "2024-12-30T18:59:10.807",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix potential memory leak in DMUB hw_init\n\n[Why]\nOn resume we perform DMUB hw_init which allocates memory:\ndm_resume->dm_dmub_hw_init->dc_dmub_srv_create->kzalloc\nThat results in memory leak in suspend/resume scenarios.\n\n[How]\nAllocate memory for the DC wrapper to DMUB only if it was not\nallocated before.\nNo need to reallocate it on suspend/resume."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corrige una posible p\u00e9rdida de memoria en DMUB hw_init [Por qu\u00e9] Al reanudar ejecutamos DMUB hw_init que asigna memoria: dm_resume->dm_dmub_hw_init->dc_dmub_srv_create->kzalloc Eso resulta en p\u00e9rdida de memoria en escenarios de suspensi\u00f3n/reanudaci\u00f3n. [C\u00f3mo] Asigne memoria para el contenedor DC a DMUB solo si no se asign\u00f3 antes. No es necesario reasignarlo al suspender/reanudar."
    }
  ],
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        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
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  "weaknesses": [
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      "type": "Primary",
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          "value": "CWE-401"
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