{"$ref":"https://www.cert.ssi.gouv.fr/openapi.json","affected_systems":[{"description":"Xen toutes versions utilisant l'interface hvc_xen sans le dernier correctif","product":{"name":"Xen","vendor":{"name":"XEN","scada":false}}},{"description":"Xen toutes versions utilisant l'interface blkfront sans le dernier correctif","product":{"name":"Xen","vendor":{"name":"XEN","scada":false}}},{"description":"Xen toutes versions utilisant l'interface xen-netback sans le dernier correctif","product":{"name":"Xen","vendor":{"name":"XEN","scada":false}}},{"description":"Xen toutes versions utilisant l'interface netfront sans le dernier correctif","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'\u00e9diteur pour l'obtention des\ncorrectifs (cf. section Documentation).\n","cves":[{"name":"CVE-2021-28711","url":"https://www.cve.org/CVERecord?id=CVE-2021-28711"},{"name":"CVE-2021-28713","url":"https://www.cve.org/CVERecord?id=CVE-2021-28713"},{"name":"CVE-2021-28712","url":"https://www.cve.org/CVERecord?id=CVE-2021-28712"},{"name":"CVE-2021-28714","url":"https://www.cve.org/CVERecord?id=CVE-2021-28714"},{"name":"CVE-2021-28715","url":"https://www.cve.org/CVERecord?id=CVE-2021-28715"}],"links":[],"reference":"CERTFR-2021-AVI-973","revisions":[{"description":"Version initiale","revision_date":"2021-12-21T00:00:00.000000"}],"risks":[{"description":"Non sp\u00e9cifi\u00e9 par l'\u00e9diteur"},{"description":"D\u00e9ni de service"}],"summary":"De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Xen. Elles\npermettent \u00e0 un attaquant de provoquer un probl\u00e8me de s\u00e9curit\u00e9 non\nsp\u00e9cifi\u00e9 par l'\u00e9diteur et un d\u00e9ni de service.\n","title":"Multiples vuln\u00e9rabilit\u00e9s dans Xen","vendor_advisories":[{"published_at":null,"title":"Bulletin de s\u00e9curit\u00e9 Xen advisory-391 du 20 d\u00e9cembre 2021","url":"https://xenbits.xen.org/xsa/advisory-391.html"},{"published_at":null,"title":"Bulletin de s\u00e9curit\u00e9 Xen advisory-392 du 20 d\u00e9cembre 2021","url":"https://xenbits.xen.org/xsa/advisory-392.html"}]}