CERTFR-2026-AVI-0579
Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans Xen. Elle permet à un attaquant de provoquer une élévation de privilèges.

Solutions

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

Impacted products
Vendor Product Description
XEN Xen Xen versions 4.21.x sans le correctif de sécurité xsa490-4.21.patch
XEN Xen Xen versions 4.17.x sans le correctif de sécurité xsa490-4.17-1.patch ou xsa490-4.17-2.patch
XEN Xen Xen versions 4.18.x sans le correctif de sécurité xsa490-4.21.patch
XEN Xen Xen versions xen-unstable sans le correctif de sécurité xsa490.patch
References
Bulletin de sécurité Xen xsa/advisory-490 2026-05-12 vendor-advisory

Show details on source website

To clipboard 

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Xen versions 4.21.x sans le correctif de s\u00e9curit\u00e9 xsa490-4.21.patch",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions 4.17.x sans le correctif de s\u00e9curit\u00e9 xsa490-4.17-1.patch ou xsa490-4.17-2.patch",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions 4.18.x sans le correctif de s\u00e9curit\u00e9 xsa490-4.21.patch",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions xen-unstable sans le correctif de s\u00e9curit\u00e9 xsa490.patch  ",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2025-54518",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-54518"
    }
  ],
  "initial_release_date": "2026-05-13T00:00:00",
  "last_revision_date": "2026-05-13T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0579",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-05-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Xen. Elle permet \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges.",
  "title": "Vuln\u00e9rabilit\u00e9 dans Xen",
  "vendor_advisories": [
    {
      "published_at": "2026-05-12",
      "title": "Bulletin de s\u00e9curit\u00e9 Xen xsa/advisory-490",
      "url": "https://xenbits.xen.org/xsa/advisory-490.html"
    }
  ]
}


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