cnvd-2017-05874
Vulnerability from cnvd
Title
Linux kernel拒绝服务漏洞（CNVD-2017-05874）
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 4.10.12之前的4.10.x版本和4.9.x版本中的drivers/char/virtio_console.c文件存在拒绝服务漏洞，由于程序未能正确的与CONFIG_VMAP_STACK选项进行交互。本地攻击者可利用该漏洞造成拒绝服务（系统崩溃或内存破坏）。
Severity
高
Patch Name
Linux kernel拒绝服务漏洞（CNVD-2017-05874）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 4.10.12之前的4.10.x版本和4.9.x版本中的drivers/char/virtio_console.c文件存在拒绝服务漏洞，由于程序未能正确的与CONFIG_VMAP_STACK选项进行交互。本地攻击者可利用该漏洞造成拒绝服务（系统崩溃或内存破坏）。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://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.12

Reference
http://www.openwall.com/lists/oss-security/2017/04/16/4 https://nvd.nist.gov/vuln/detail/CVE-2017-8067 http://www.securityfocus.com/bid/97997
Impacted products
Name
['Linux Kernel 4.10.*，<4.10.12', 'Linux Kernel 4.9.*']
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "97997"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8067",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8067"
    }
  },
  "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 4.10.12\u4e4b\u524d\u76844.10.x\u7248\u672c\u548c4.9.x\u7248\u672c\u4e2d\u7684drivers/char/virtio_console.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u4e0eCONFIG_VMAP_STACK\u9009\u9879\u8fdb\u884c\u4ea4\u4e92\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7cfb\u7edf\u5d29\u6e83\u6216\u5185\u5b58\u7834\u574f\uff09\u3002",
  "discovererName": "Linux",
  "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://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.12",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05874",
  "openTime": "2017-05-04",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\nLinux kernel 4.10.12\u4e4b\u524d\u76844.10.x\u7248\u672c\u548c4.9.x\u7248\u672c\u4e2d\u7684drivers/char/virtio_console.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u4e0eCONFIG_VMAP_STACK\u9009\u9879\u8fdb\u884c\u4ea4\u4e92\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7cfb\u7edf\u5d29\u6e83\u6216\u5185\u5b58\u7834\u574f\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-2017-05874\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Linux Kernel 4.10.*\uff0c\u003c4.10.12",
      "Linux Kernel 4.9.*"
    ]
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2017/04/16/4\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-8067\r\nhttp://www.securityfocus.com/bid/97997",
  "serverity": "\u9ad8",
  "submitTime": "2017-04-24",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-05874\uff09"
}


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