cnvd-2016-01041
Vulnerability from cnvd
Title
Linux kernel拒绝服务漏洞（CNVD-2016-01041）
Description
Linux kernel是一个开源，自由的操作系统核心，最初由Linus Torvalds完成。 Linux kernel 4.4之前版本的net/netfilter/nf_nat_redirect.c文件中的‘nf_nat_redirect_ipv4’函数存在安全漏洞。远程攻击者可通过向未完全配置的端口发送特定的IPv4数据包利用该漏洞造成拒绝服务（空指针逆向引用和系统崩溃）。
Severity
中
Patch Name
Linux kernel拒绝服务漏洞（CNVD-2016-01041）的补丁
Patch Description
Linux kernel是一个开源，自由的操作系统核心，最初由Linus Torvalds完成。 Linux kernel 4.4之前版本的net/netfilter/nf_nat_redirect.c文件中的‘nf_nat_redirect_ipv4’函数存在安全漏洞。远程攻击者可通过向未完全配置的端口发送特定的IPv4数据包利用该漏洞造成拒绝服务（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

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： http://www.openwall.com/lists/oss-security/2016/01/27/6

Reference
http://www.openwall.com/lists/oss-security/2016/01/27/6
Impacted products
Name
Linux Kernel <4.4.1
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "82503"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8787"
    }
  },
  "description": "Linux kernel\u662f\u4e00\u4e2a\u5f00\u6e90\uff0c\u81ea\u7531\u7684\u64cd\u4f5c\u7cfb\u7edf\u6838\u5fc3\uff0c\u6700\u521d\u7531Linus Torvalds\u5b8c\u6210\u3002\r\n\r\nLinux kernel 4.4\u4e4b\u524d\u7248\u672c\u7684net/netfilter/nf_nat_redirect.c\u6587\u4ef6\u4e2d\u7684\u2018nf_nat_redirect_ipv4\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u672a\u5b8c\u5168\u914d\u7f6e\u7684\u7aef\u53e3\u53d1\u9001\u7279\u5b9a\u7684IPv4\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u548c\u7cfb\u7edf\u5d29\u6e83\uff09\u3002",
  "discovererName": "Linux",
  "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://www.openwall.com/lists/oss-security/2016/01/27/6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01041",
  "openTime": "2016-02-17",
  "patchDescription": "Linux kernel\u662f\u4e00\u4e2a\u5f00\u6e90\uff0c\u81ea\u7531\u7684\u64cd\u4f5c\u7cfb\u7edf\u6838\u5fc3\uff0c\u6700\u521d\u7531Linus Torvalds\u5b8c\u6210\u3002\r\n\r\nLinux kernel 4.4\u4e4b\u524d\u7248\u672c\u7684net/netfilter/nf_nat_redirect.c\u6587\u4ef6\u4e2d\u7684\u2018nf_nat_redirect_ipv4\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u672a\u5b8c\u5168\u914d\u7f6e\u7684\u7aef\u53e3\u53d1\u9001\u7279\u5b9a\u7684IPv4\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-01041\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c4.4.1"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2016/01/27/6",
  "serverity": "\u4e2d",
  "submitTime": "2016-02-11",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-01041\uff09"
}


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