cnvd-2019-06180
Vulnerability from cnvd
Title
Linux kernel 'update_blocked_averages'函数无限循环漏洞
Description
Linux kernel是美国Linux基金会的发布的开源操作系统Linux所使用的内核。 Linux kernel 4.20.2之前版本中存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务（‘update_blocked_averages’函数无限循环）。
Severity
高
Patch Name
Linux kernel 'update_blocked_averages'函数无限循环漏洞的补丁
Patch Description
Linux kernel是美国Linux基金会的发布的开源操作系统Linux所使用的内核。 Linux kernel 4.20.2之前版本中存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务（‘update_blocked_averages’函数无限循环）。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2

Reference
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2
Impacted products
Name
Linux kernel <4.20.2
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-20784",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20784"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel 4.20.2\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u2018update_blocked_averages\u2019\u51fd\u6570\u65e0\u9650\u5faa\u73af\uff09\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-06180",
  "openTime": "2019-03-05",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.20.2\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u2018update_blocked_averages\u2019\u51fd\u6570\u65e0\u9650\u5faa\u73af\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 \u0027update_blocked_averages\u0027\u51fd\u6570\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c4.20.2"
  },
  "referenceLink": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2",
  "serverity": "\u9ad8",
  "submitTime": "2019-02-26",
  "title": "Linux kernel \u0027update_blocked_averages\u0027\u51fd\u6570\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e"
}


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