cnvd-2015-05860
Vulnerability from cnvd
Title
Xen xenmem_add_to_physmap_one() printk率限制拒绝服务漏洞
Description
Xen是一款开放源代码的虚拟机。 Xen xenmem_add_to_physmap_one()中printk率限制存在问题，允许有部分管理控制能力和可以映射其他Guest域的Guest域，向Xen控制台发送大量消息。
Severity
低
Patch Name
Xen xenmem_add_to_physmap_one() printk率限制拒绝服务漏洞的补丁
Patch Description
Xen是一款开放源代码的虚拟机。Xen xenmem_add_to_physmap_one()中printk率限制存在问题，允许有部分管理控制能力和可以映射其他Guest域的Guest域，向Xen控制台发送大量消息。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： http://xenbits.xen.org/xsa/advisory-141.html

Reference
http://xenbits.xen.org/xsa/advisory-141.html
Impacted products
Name
['Xen Xen <=4.5.x', 'Xen Xen <=4.4.x']
Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-6654"
    }
  },
  "description": "Xen\u662f\u4e00\u6b3e\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u865a\u62df\u673a\u3002\r\n\r\nXen xenmem_add_to_physmap_one()\u4e2dprintk\u7387\u9650\u5236\u5b58\u5728\u95ee\u9898\uff0c\u5141\u8bb8\u6709\u90e8\u5206\u7ba1\u7406\u63a7\u5236\u80fd\u529b\u548c\u53ef\u4ee5\u6620\u5c04\u5176\u4ed6Guest\u57df\u7684Guest\u57df\uff0c\u5411Xen\u63a7\u5236\u53f0\u53d1\u9001\u5927\u91cf\u6d88\u606f\u3002",
  "discovererName": "Julien Grall of Citrix",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://xenbits.xen.org/xsa/advisory-141.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-05860",
  "openTime": "2015-09-09",
  "patchDescription": "Xen\u662f\u4e00\u6b3e\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u865a\u62df\u673a\u3002Xen xenmem_add_to_physmap_one()\u4e2dprintk\u7387\u9650\u5236\u5b58\u5728\u95ee\u9898\uff0c\u5141\u8bb8\u6709\u90e8\u5206\u7ba1\u7406\u63a7\u5236\u80fd\u529b\u548c\u53ef\u4ee5\u6620\u5c04\u5176\u4ed6Guest\u57df\u7684Guest\u57df\uff0c\u5411Xen\u63a7\u5236\u53f0\u53d1\u9001\u5927\u91cf\u6d88\u606f\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Xen xenmem_add_to_physmap_one() printk\u7387\u9650\u5236\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Xen Xen \u003c=4.5.x",
      "Xen Xen \u003c=4.4.x"
    ]
  },
  "referenceLink": "http://xenbits.xen.org/xsa/advisory-141.html",
  "serverity": "\u4f4e",
  "submitTime": "2015-09-06",
  "title": "Xen xenmem_add_to_physmap_one() printk\u7387\u9650\u5236\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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