cnvd-2017-33042
Vulnerability from cnvd
Title
Linux Kernel 'sg_ioctl'函数本地信息泄露漏洞
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 4.13.4之前版本中的drivers/scsi/sg.c文件的'sg_ioctl'函数存在存在安全漏洞。本地攻击者可利用该漏洞从未初始化的内核堆内存中获取敏感信息。
Severity
低
Patch Name
Linux Kernel 'sg_ioctl'函数本地信息泄露漏洞的补丁
Patch Description
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Linux kernel 4.13.4之前版本中的drivers/scsi/sg.c文件的'sg_ioctl'函数存在存在安全漏洞。本地攻击者可利用该漏洞从未初始化的内核堆内存中获取敏感信息。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://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=0549c73b7ea6b22a3c49beb4d432f185a81efcbc

Reference
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=0549c73b7ea6b22a3c49beb4d432f185a81efcbc
Impacted products
Name
Linux kernel <4.13.4
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-14991"
    }
  },
  "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 4.13.4\u4e4b\u524d\u7248\u672c\u4e2d\u7684drivers/scsi/sg.c\u6587\u4ef6\u7684\u0027sg_ioctl\u0027\u51fd\u6570\u5b58\u5728\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ece\u672a\u521d\u59cb\u5316\u7684\u5185\u6838\u5806\u5185\u5b58\u4e2d\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002",
  "discovererName": "Andy Lutomirski",
  "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://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=0549c73b7ea6b22a3c49beb4d432f185a81efcbc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-33042",
  "openTime": "2017-11-07",
  "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 4.13.4\u4e4b\u524d\u7248\u672c\u4e2d\u7684drivers/scsi/sg.c\u6587\u4ef6\u7684\u0027sg_ioctl\u0027\u51fd\u6570\u5b58\u5728\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ece\u672a\u521d\u59cb\u5316\u7684\u5185\u6838\u5806\u5185\u5b58\u4e2d\u83b7\u53d6\u654f\u611f\u4fe1\u606f\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 \u0027sg_ioctl\u0027\u51fd\u6570\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c4.13.4"
  },
  "referenceLink": "http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=0549c73b7ea6b22a3c49beb4d432f185a81efcbc",
  "serverity": "\u4f4e",
  "submitTime": "2017-10-09",
  "title": "Linux Kernel \u0027sg_ioctl\u0027\u51fd\u6570\u672c\u5730\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}


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