cnvd-2016-02198
Vulnerability from cnvd
Title
Linux kernel UNIX Sockets In-Flight FD Limit安全绕过漏洞
Description
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Linux kernel中存在安全漏洞，该漏洞源于程序未能正确计算通过UNIX域套接字传递的文件描述符。本地攻击者可利用该漏洞绕过已打开的FD计数限制。
Severity
低
Patch Name
Linux kernel UNIX Sockets In-Flight FD Limit安全绕过漏洞的补丁
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。 Linux kernel中存在安全漏洞，该漏洞源于程序未能正确计算通过UNIX域套接字传递的文件描述符。本地攻击者可利用该漏洞绕过已打开的FD计数限制。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=415e3d3e90ce9e18727e8843ae343eda5a58fad6

Reference
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=415e3d3e90ce9e18727e8843ae343eda5a58fad6 https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.99 https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.63 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.4 https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.99
Impacted products
Name
['Linux Kernel 4.3.6', 'Linux Kernel 4.4.x<4.4.4', 'Linux Kernel 4.1.x<4.1.19', 'Linux Kernel 3.18.27', 'Linux Kernel 3.14.x<3.14.63', 'Linux Kernel 3.10.x<3.10.99']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2550"
    }
  },
  "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\nLinux kernel\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u8ba1\u7b97\u901a\u8fc7UNIX\u57df\u5957\u63a5\u5b57\u4f20\u9012\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5df2\u6253\u5f00\u7684FD\u8ba1\u6570\u9650\u5236\u3002",
  "discovererName": "Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=415e3d3e90ce9e18727e8843ae343eda5a58fad6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02198",
  "openTime": "2016-04-14",
  "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\nLinux kernel\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u8ba1\u7b97\u901a\u8fc7UNIX\u57df\u5957\u63a5\u5b57\u4f20\u9012\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5df2\u6253\u5f00\u7684FD\u8ba1\u6570\u9650\u5236\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 UNIX Sockets In-Flight FD Limit\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Linux Kernel 4.3.6",
      "Linux Kernel 4.4.x\u003c4.4.4",
      "Linux Kernel 4.1.x\u003c4.1.19",
      "Linux Kernel 3.18.27",
      "Linux Kernel 3.14.x\u003c3.14.63",
      "Linux Kernel 3.10.x\u003c3.10.99"
    ]
  },
  "referenceLink": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=415e3d3e90ce9e18727e8843ae343eda5a58fad6\r\nhttps://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.99\r\nhttps://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.63\t\r\nhttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.4\thttps://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.99",
  "serverity": "\u4f4e",
  "submitTime": "2016-04-13",
  "title": "Linux kernel UNIX Sockets In-Flight FD Limit\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}


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