CERTA-2007-AVI-416
Vulnerability from certfr_avis

Une vulnérabilité dans le noyau Linux permet à un utilisateur local d'élever ses privilèges.

Description

Une vulnérabilité dans la mise en œuvre de l'appel système ptrace par le noyau Linux permet à un utilisateur local d'élever ses privilèges. La faille est relative à une mauvaise initialisation de registre sur une architecture x86_64 lors de la sortie d'un appel système ptrace en mode 32bit.

Solution

Les versions 2.4.35.3 et 2.6.22.7 du noyau Linux corrigent le problème :

http://www.kernel.org/pub/linux/kernel/v2.4/

http://www.kernel.org/pub/linux/kernel/v2.6/
None
Impacted products
Vendor Product Description
N/A N/A Linux kernel versions 2.6.22.6 et antérieures.
N/A N/A Linux kernel versions 2.4.35.2 et antérieures ;
References

Show details on source website

To clipboard 

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Linux kernel versions 2.6.22.6 et ant\u00e9rieures.",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "N/A",
          "scada": false
        }
      }
    },
    {
      "description": "Linux kernel versions 2.4.35.2 et ant\u00e9rieures ;",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "N/A",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Description\n\nUne vuln\u00e9rabilit\u00e9 dans la mise en \u0153uvre de l\u0027appel syst\u00e8me ptrace par le\nnoyau Linux permet \u00e0 un utilisateur local d\u0027\u00e9lever ses privil\u00e8ges. La\nfaille est relative \u00e0 une mauvaise initialisation de registre sur une\narchitecture x86_64 lors de la sortie d\u0027un appel syst\u00e8me ptrace en mode\n32bit.\n\n## Solution\n\nLes versions 2.4.35.3 et 2.6.22.7 du noyau Linux corrigent le probl\u00e8me :\n\n    http://www.kernel.org/pub/linux/kernel/v2.4/\n\n    http://www.kernel.org/pub/linux/kernel/v2.6/\n",
  "cves": [
    {
      "name": "CVE-2007-4573",
      "url": "https://www.cve.org/CVERecord?id=CVE-2007-4573"
    }
  ],
  "initial_release_date": "2007-09-24T00:00:00",
  "last_revision_date": "2007-09-24T00:00:00",
  "links": [
    {
      "title": "Site du noyau Linux :",
      "url": "http://www.kernel.org"
    },
    {
      "title": "Liste des changements apport\u00e9s \u00e0 la version 2.4.35.3 du    noyau Linux :",
      "url": "http://www.kernel.org/pub/linux/kernel/v2.4/Changelog-2.4.35.3"
    },
    {
      "title": "Liste des changements apport\u00e9s \u00e0 la version 2.6.22.7 du    noyau Linux :",
      "url": "http://www.kernel.org/pub/linux/kernel/v2.4/Changelog-2.6.22.7"
    }
  ],
  "reference": "CERTA-2007-AVI-416",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2007-09-24T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 dans le noyau Linux permet \u00e0 un utilisateur local\nd\u0027\u00e9lever ses privil\u00e8ges.\n",
  "title": "Vuln\u00e9rabilit\u00e9 du noyau Linux",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Liste des changements apport\u00e9s aux versions 2.4.35.3 et 2.6.22.7 du noyau Linux",
      "url": null
    }
  ]
}


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