CERTFR-2021-AVI-695

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service 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 ESM
Ubuntu Ubuntu Ubuntu 18.04 LTS
Ubuntu Ubuntu Ubuntu 21.04
Ubuntu Ubuntu Ubuntu 20.04 LTS
Ubuntu Ubuntu Ubuntu 14.04 ESM
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Ubuntu 16.04 ESM",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 18.04 LTS",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 21.04",
      "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-2021-38207",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38207"
    },
    {
      "name": "CVE-2021-34693",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-34693"
    },
    {
      "name": "CVE-2020-36311",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-36311"
    },
    {
      "name": "CVE-2021-38160",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38160"
    },
    {
      "name": "CVE-2021-3656",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3656"
    },
    {
      "name": "CVE-2021-38198",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38198"
    },
    {
      "name": "CVE-2021-22543",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-22543"
    },
    {
      "name": "CVE-2021-38200",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38200"
    },
    {
      "name": "CVE-2021-38206",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38206"
    },
    {
      "name": "CVE-2021-3612",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3612"
    },
    {
      "name": "CVE-2021-3653",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3653"
    },
    {
      "name": "CVE-2020-26541",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-26541"
    }
  ],
  "links": [],
  "reference": "CERTFR-2021-AVI-695",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-09-10T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "D\u00e9ni de service"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux\nd\u0027Ubuntu. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer\nune ex\u00e9cution de code arbitraire, un d\u00e9ni de service et un contournement\nde la politique 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-5072-1 du 08 septembre 2021",
      "url": "https://ubuntu.com/security/notices/USN-5072-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5073-1 du 09 septembre 2021",
      "url": "https://ubuntu.com/security/notices/USN-5073-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5071-1 du 08 septembre 2021",
      "url": "https://ubuntu.com/security/notices/USN-5071-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5070-1 du 08 septembre 2021",
      "url": "https://ubuntu.com/security/notices/USN-5070-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5062-1 du 08 septembre 2021",
      "url": "https://ubuntu.com/security/notices/USN-5062-1"
    }
  ]
}


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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.
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  • 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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