cnvd-2015-02932
Vulnerability from cnvd
Title
Linux kernel 'ndisc_router_discovery()'函数拒绝服务漏洞
Description
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Linux kernel ‘ndisc_router_discovery()’函数（net/ipv6/ndisc.c）中存在拒绝服务漏洞。本地攻击者可通过特制的ICMP广播数据利用该漏洞将跳数限制设置成任意值，并造成拒绝服务（IPv6消息丢失）。
Severity
低
Patch Name
Linux kernel 'ndisc_router_discovery()'函数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。 Linux kernel ‘ndisc_router_discovery()’函数（net/ipv6/ndisc.c）中存在拒绝服务漏洞。本地攻击者可通过特制的ICMP广播数据利用该漏洞将跳数限制设置成任意值，并造成拒绝服务（IPv6消息丢失）。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

用户可参考如下供应商提供的安全公告获得补丁信息： http://www.ubuntu.com/usn/usn-2588-1/

Reference
http://www.ubuntu.com/usn/usn-2588-1/
Impacted products
Name
Linux Kernel
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-2922"
    }
  },
  "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 \u2018ndisc_router_discovery()\u2019\u51fd\u6570\uff08net/ipv6/ndisc.c\uff09\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684ICMP\u5e7f\u64ad\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u8df3\u6570\u9650\u5236\u8bbe\u7f6e\u6210\u4efb\u610f\u503c\uff0c\u5e76\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08IPv6\u6d88\u606f\u4e22\u5931\uff09\u3002",
  "discovererName": "ubuntu",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://www.ubuntu.com/usn/usn-2588-1/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02932",
  "openTime": "2015-05-08",
  "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 \u2018ndisc_router_discovery()\u2019\u51fd\u6570\uff08net/ipv6/ndisc.c\uff09\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684ICMP\u5e7f\u64ad\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u8df3\u6570\u9650\u5236\u8bbe\u7f6e\u6210\u4efb\u610f\u503c\uff0c\u5e76\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08IPv6\u6d88\u606f\u4e22\u5931\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 \u0027ndisc_router_discovery()\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "http://www.ubuntu.com/usn/usn-2588-1/",
  "serverity": "\u4f4e",
  "submitTime": "2015-05-07",
  "title": "Linux kernel \u0027ndisc_router_discovery()\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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