cnvd-2017-27462
Vulnerability from cnvd
Title
Linux kernel拒绝服务漏洞（CNVD-2017-27462）
Description
Linux kernel是一款开源的操作系统。 Linux kernel fsnotify实现中存在竞争条件漏洞，允许本地攻击者利用漏洞提交特制的请求，进行拒绝服务攻击。
Severity
中
Patch Name
Linux kernel拒绝服务漏洞（CNVD-2017-27462）的补丁
Patch Description
Linux kernel是一款开源的操作系统。 Linux kernel fsnotify实现中存在竞争条件漏洞，允许本地攻击者利用漏洞提交特制的请求，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补丁以修复该漏洞： http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9e

Reference
https://bugzilla.redhat.com/show_bug.cgi?id=1468283
Impacted products
Name
Linux Kernel >3.14-rc1，<4.12
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "100123"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7533"
    }
  },
  "description": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux kernel fsnotify\u5b9e\u73b0\u4e2d\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u5236\u7684\u8bf7\u6c42\uff0c\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "Fan Wu and Shixiong Zhao",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9e",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-27462",
  "openTime": "2017-09-19",
  "patchDescription": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux kernel fsnotify\u5b9e\u73b0\u4e2d\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u5236\u7684\u8bf7\u6c42\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": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-27462\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003e3.14-rc1\uff0c\u003c4.12"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1468283",
  "serverity": "\u4e2d",
  "submitTime": "2017-08-07",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-27462\uff09"
}


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