CNVD-2015-07567

Vulnerability from cnvd - Published: 2015-11-17
VLAI Severity ?
Title
Xen对齐检查异常处理拒绝服务漏洞
Description
Xen是一款用于Linux内核的一种虚拟化技术,允许同时运行多个操作系统。 Xen处理对齐检查异常存在安全漏洞，允许32位guest用户触发该漏洞，进行拒绝服务攻击。
Severity
中
Patch Name
Xen对齐检查异常处理拒绝服务漏洞的补丁
Patch Description
Xen是一款用于Linux内核的一种虚拟化技术,允许同时运行多个操作系统。 Xen处理对齐检查异常存在安全漏洞，允许32位guest用户触发该漏洞，进行拒绝服务攻击。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-156.html

Reference
http://xenbits.xen.org/xsa/advisory-156.html
Impacted products
Name
['Xen Xen 4.4.x', 'Xen Xen 4.5.x', 'Xen Xen 4.6.x', 'Xen Xen 4.3.x']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-5307"
    }
  },
  "description": "Xen\u662f\u4e00\u6b3e\u7528\u4e8eLinux\u5185\u6838\u7684\u4e00\u79cd\u865a\u62df\u5316\u6280\u672f,\u5141\u8bb8\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nXen\u5904\u7406\u5bf9\u9f50\u68c0\u67e5\u5f02\u5e38\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb832\u4f4dguest\u7528\u6237\u89e6\u53d1\u8be5\u6f0f\u6d1e\uff0c\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "Ben Serebrin from Google and Jan Beulich from SUSE",
  "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-156.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07567",
  "openTime": "2015-11-17",
  "patchDescription": "Xen\u662f\u4e00\u6b3e\u7528\u4e8eLinux\u5185\u6838\u7684\u4e00\u79cd\u865a\u62df\u5316\u6280\u672f,\u5141\u8bb8\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nXen\u5904\u7406\u5bf9\u9f50\u68c0\u67e5\u5f02\u5e38\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb832\u4f4dguest\u7528\u6237\u89e6\u53d1\u8be5\u6f0f\u6d1e\uff0c\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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\u5bf9\u9f50\u68c0\u67e5\u5f02\u5e38\u5904\u7406\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Xen Xen 4.4.x",
      "Xen Xen  4.5.x",
      "Xen Xen 4.6.x",
      "Xen Xen 4.3.x"
    ]
  },
  "referenceLink": "http://xenbits.xen.org/xsa/advisory-156.html",
  "serverity": "\u4e2d",
  "submitTime": "2015-11-15",
  "title": "Xen\u5bf9\u9f50\u68c0\u67e5\u5f02\u5e38\u5904\u7406\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.