cnvd-2017-37835
Vulnerability from cnvd
Title
Linux kernel 'block/bio.c'存在多个本地信息泄露漏洞
Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.13.8之前的版本中的block/bio.c文件的’bio_map_user_iov and bio_unmap_user‘函数存在多个本地信息泄露漏洞。攻击者可利用该漏洞造成内存泄露，并可能锁住系统。
Severity
中
Patch Name
Linux kernel 'block/bio.c'存在多个本地信息泄露漏洞的补丁
Patch Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.13.8之前的版本中的block/bio.c文件的’bio_map_user_iov and bio_unmap_user‘函数存在多个本地信息泄露漏洞。攻击者可利用该漏洞造成内存泄露，并可能锁住系统。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这个安全问题，请到厂商的主页下载： http://www.kernel.org/

Reference
http://www.securityfocus.com/bid/101911
Impacted products
Name
Linux kernel <4.13.8
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "101911"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-12190"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.13.8\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684block/bio.c\u6587\u4ef6\u7684\u2019bio_map_user_iov and bio_unmap_user\u2018\u51fd\u6570\u5b58\u5728\u591a\u4e2a\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5185\u5b58\u6cc4\u9732\uff0c\u5e76\u53ef\u80fd\u9501\u4f4f\u7cfb\u7edf\u3002",
  "discovererName": "Vitaly Mayatskikh",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://www.kernel.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-37835",
  "openTime": "2017-12-22",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.13.8\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684block/bio.c\u6587\u4ef6\u7684\u2019bio_map_user_iov and bio_unmap_user\u2018\u51fd\u6570\u5b58\u5728\u591a\u4e2a\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5185\u5b58\u6cc4\u9732\uff0c\u5e76\u53ef\u80fd\u9501\u4f4f\u7cfb\u7edf\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 \u0027block/bio.c\u0027\u5b58\u5728\u591a\u4e2a\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c4.13.8"
  },
  "referenceLink": "http://www.securityfocus.com/bid/101911",
  "serverity": "\u4e2d",
  "submitTime": "2017-11-22",
  "title": "Linux kernel \u0027block/bio.c\u0027\u5b58\u5728\u591a\u4e2a\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}


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