CERTFR-2022-AVI-163

Vulnerability from certfr_avis - Published: 2022-02-18 - Updated: 2022-02-18

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 une atteinte à la confidentialité des données.

Solution

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

Contournement provisoire

Ubuntu 20.04 LTS

Impacted products
Vendor Product Description
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [],
  "affected_systems_content": "\u003cp\u003eUbuntu 20.04 LTS\u003c/p\u003e ",
  "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\n## Contournement provisoire\n",
  "cves": [
    {
      "name": "CVE-2021-4202",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-4202"
    },
    {
      "name": "CVE-2021-43975",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-43975"
    },
    {
      "name": "CVE-2021-4083",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-4083"
    },
    {
      "name": "CVE-2022-0330",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-0330"
    },
    {
      "name": "CVE-2022-22942",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-22942"
    },
    {
      "name": "CVE-2021-4155",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-4155"
    },
    {
      "name": "CVE-2021-22600",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-22600"
    },
    {
      "name": "CVE-2021-39685",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-39685"
    }
  ],
  "initial_release_date": "2022-02-18T00:00:00",
  "last_revision_date": "2022-02-18T00:00:00",
  "links": [],
  "reference": "CERTFR-2022-AVI-163",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2022-02-18T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "D\u00e9ni de service"
    },
    {
      "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\nd\u0027Ubuntu. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer\nune ex\u00e9cution de code arbitraire, un d\u00e9ni de service et une atteinte \u00e0\nla confidentialit\u00e9 des donn\u00e9es.\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-5295-1 du 18 f\u00e9vrier 2022",
      "url": "https://ubuntu.com/security/notices/USN-5295-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5294-1 du 18 f\u00e9vrier 2022",
      "url": "https://ubuntu.com/security/notices/USN-5294-1"
    }
  ]
}



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