CERTFR-2021-AVI-899

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans le noyau Linux de RedHat. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service, un contournement de la politique de sécurité et une atteinte à l'intégrité des données.

Solution

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

None
Impacted products
Vendor Product Description
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Real Time for NFV 7 x86_64
Red Hat Red Hat Enterprise Linux Server Red Hat Enterprise Linux Server - AUS 7.2 x86_64
Red Hat Red Hat Enterprise Linux Server Red Hat Enterprise Linux Server - AUS 7.3 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Power, little endian 7 ppc64le
Red Hat Red Hat Enterprise Linux Server Red Hat Enterprise Linux Server 7 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Scientific Computing 7 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux Workstation 7 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for IBM z Systems 7 s390x
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Power, big endian 7 ppc64
Oracle Virtualization Red Hat Virtualization Host 4 for RHEL 7 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux Desktop 7 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Real Time 7 x86_64
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Red Hat Enterprise Linux for Real Time for NFV 7 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server - AUS 7.2 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server - AUS 7.3 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Power, little endian 7 ppc64le",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server 7 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Scientific Computing 7 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Workstation 7 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems 7 s390x",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Power, big endian 7 ppc64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Virtualization Host 4 for RHEL 7 x86_64",
      "product": {
        "name": "Virtualization",
        "vendor": {
          "name": "Oracle",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Desktop 7 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Real Time 7 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "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-2020-36385",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-36385"
    },
    {
      "name": "CVE-2021-3653",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3653"
    }
  ],
  "links": [
    {
      "title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2021:4768 du 23 novembre 2021",
      "url": "https://access.redhat.com/errata/RHSA-2021:4768"
    }
  ],
  "reference": "CERTFR-2021-AVI-899",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-11-24T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "D\u00e9ni de service"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de\nRedHat. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer\nun d\u00e9ni de service, un contournement de la politique de s\u00e9curit\u00e9 et une\natteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de RedHat",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2021:4774 du 23 novembre 2021",
      "url": "https://access.redhat.com/errata/RHSA-2021:4774"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2021:4768 du 23 novembre 2021",
      "url": null
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2021:4779 du 23 novembre 2021",
      "url": "https://access.redhat.com/errata/RHSA-2021:4779"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2021:4777 du 23 novembre 2021",
      "url": "https://access.redhat.com/errata/RHSA-2021:4777"
    }
  ]
}


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