nvd-json-data-feeds/CVE-2020/CVE-2020-295xx/CVE-2020-29534.json

{
  "id": "CVE-2020-29534",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-12-03T20:15:11.947",
  "lastModified": "2024-11-21T05:24:09.480",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en el kernel de Linux versiones anteriores a 5.9.3, io_uring toma una referencia non-refcounted al files_struct del proceso que envi\u00f3 una petici\u00f3n, causando que la funci\u00f3n execve() optimice incorrectamente la funci\u00f3n unshare_fd(), tambi\u00e9n se conoce como CID-0f2122045b94"
    }
  ],
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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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        "source": "nvd@nist.gov",
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          "baseScore": 7.2,
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          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
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        "baseSeverity": "HIGH",
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  },
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      "type": "Primary",
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          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
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  ],
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          "operator": "OR",
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  "references": [
    {
      "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2089",
      "source": "cve@mitre.org",
      "tags": [
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}