CNVD-2015-08551

Vulnerability from cnvd - Published: 2015-12-31
VLAI
Title
Linux kernel networking拒绝服务漏洞
Description
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Android和其他产品中使用的Linux kernel 4.3.2及之前版本中的networking实现过程中存在安全漏洞。由于程序未能验证协议族的协议标识符。本地攻击者可通过使用CLONE_NEWUSER支持运行特制的SOCK_RAW应用，利用该漏洞拒绝服务（空指针逆向引用和系统崩溃）。
Severity
中
Patch Name
Linux kernel networking拒绝服务漏洞的补丁
Patch Description
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Android和其他产品中使用的Linux kernel 4.3.2及之前版本中的networking实现过程中存在安全漏洞。由于程序未能验证协议族的协议标识符。本地攻击者可通过使用CLONE_NEWUSER支持运行特制的SOCK_RAW应用，利用该漏洞拒绝服务（空指针逆向引用和系统崩溃）。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

用户可联系供应商获得补丁信息： https://www.kernel.org/

Reference
https://bugzilla.redhat.com/show_bug.cgi?id=1290475 http://www.openwall.com/lists/oss-security/2015/12/09/5 https://github.com/torvalds/linux/commit/79462ad02e861803b3840cc782248c7359451cd9
Impacted products
Name
Linux Kernel <=4.3.2
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8543"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nAndroid\u548c\u5176\u4ed6\u4ea7\u54c1\u4e2d\u4f7f\u7528\u7684Linux kernel 4.3.2\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684networking\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9a8c\u8bc1\u534f\u8bae\u65cf\u7684\u534f\u8bae\u6807\u8bc6\u7b26\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4f7f\u7528CLONE_NEWUSER\u652f\u6301\u8fd0\u884c\u7279\u5236\u7684SOCK_RAW\u5e94\u7528\uff0c\u5229\u7528\u8be5\u6f0f\u6d1e\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u548c\u7cfb\u7edf\u5d29\u6e83\uff09\u3002",
  "discovererName": "David S. Miller",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://www.kernel.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-08551",
  "openTime": "2015-12-31",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nAndroid\u548c\u5176\u4ed6\u4ea7\u54c1\u4e2d\u4f7f\u7528\u7684Linux kernel 4.3.2\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684networking\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9a8c\u8bc1\u534f\u8bae\u65cf\u7684\u534f\u8bae\u6807\u8bc6\u7b26\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4f7f\u7528CLONE_NEWUSER\u652f\u6301\u8fd0\u884c\u7279\u5236\u7684SOCK_RAW\u5e94\u7528\uff0c\u5229\u7528\u8be5\u6f0f\u6d1e\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u548c\u7cfb\u7edf\u5d29\u6e83\uff09\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": "Linux kernel networking\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c=4.3.2"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1290475\r\nhttp://www.openwall.com/lists/oss-security/2015/12/09/5\r\nhttps://github.com/torvalds/linux/commit/79462ad02e861803b3840cc782248c7359451cd9",
  "serverity": "\u4e2d",
  "submitTime": "2015-12-31",
  "title": "Linux kernel networking\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}



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