CERTA-2012-AVI-428

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été corrigée dans Xen. Une machine invitée peut modifier son espace d'adressage physique et ainsi ralentir la résolution des pages partagées. Un utilisateur malintentionné peut ainsi rendre inutilisable la machine hôte en provoquant un « kernel panic ».

Solution

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

None
Impacted products
Vendor Product Description
XEN Xen Xen 4.1 ;
XEN Xen Xen 3.4 et antérieures.
XEN Xen Xen 4.0 ;
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Xen 4.1 ;",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen 3.4 et ant\u00e9rieures.",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen 4.0 ;",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "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-2012-3433",
      "url": "https://www.cve.org/CVERecord?id=CVE-2012-3433"
    }
  ],
  "links": [],
  "reference": "CERTA-2012-AVI-428",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2012-08-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 corrig\u00e9e dans \u003cspan class=\"textit\"\u003eXen\u003c/span\u003e.\nUne machine invit\u00e9e peut modifier son espace d\u0027adressage physique et\nainsi ralentir la r\u00e9solution des pages partag\u00e9es. Un utilisateur\nmalintentionn\u00e9 peut ainsi rendre inutilisable la machine h\u00f4te en\nprovoquant un \u00ab kernel panic \u00bb.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans Xen",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-11 du 09 ao\u00fbt 2012",
      "url": "http://lists.xen.org/archives/html/xen-devel/2012-08/msg00855.html"
    }
  ]
}


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