CERTFR-2021-AVI-200
Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service à distance et un contournement de la politique de sécurité.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None
Impacted products
Vendor Product Description
Ubuntu Ubuntu Ubuntu 16.04 LTS
Ubuntu Ubuntu Ubuntu 20.10
Ubuntu Ubuntu Ubuntu 18.04 LTS
Ubuntu Ubuntu Ubuntu 20.04 LTS
Ubuntu Ubuntu Ubuntu 14.04 ESM
References

Show details on source website

To clipboard 

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Ubuntu 16.04 LTS",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 20.10",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 18.04 LTS",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 20.04 LTS",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 14.04 ESM",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2021-20239",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20239"
    },
    {
      "name": "CVE-2020-29569",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-29569"
    },
    {
      "name": "CVE-2020-36158",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-36158"
    },
    {
      "name": "CVE-2021-20194",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20194"
    },
    {
      "name": "CVE-2021-3347",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3347"
    },
    {
      "name": "CVE-2021-3178",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3178"
    }
  ],
  "initial_release_date": "2021-03-17T00:00:00",
  "last_revision_date": "2021-03-17T00:00:00",
  "links": [],
  "reference": "CERTFR-2021-AVI-200",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-03-17T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux\nd\u0027Ubuntu. Elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de\ncode arbitraire, un d\u00e9ni de service \u00e0 distance et un contournement de la\npolitique de s\u00e9curit\u00e9.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-4876-1 du 16 mars 2021",
      "url": "https://ubuntu.com/security/notices/USN-4876-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-4878-1 du 16 mars 2021",
      "url": "https://ubuntu.com/security/notices/USN-4878-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-4877-1 du 16 mars 2021",
      "url": "https://ubuntu.com/security/notices/USN-4877-1"
    }
  ]
}


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