cnvd-2017-07579
Vulnerability from cnvd
Title
Linux kernel拒绝服务漏洞（CNVD-2017-07579）
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 4.10.14及之前的版本中的drivers/media/pci/saa7164/saa7164-bus.c文件的‘saa7164_bus_get’函数存在拒绝服务漏洞。本地攻击者可通过更改特定的序号值利用该漏洞造成拒绝服务（越边界数组访问）。
Severity
高
Patch Name
Linux kernel拒绝服务漏洞（CNVD-2017-07579）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 4.10.14及之前的版本中的drivers/media/pci/saa7164/saa7164-bus.c文件的‘saa7164_bus_get’函数存在拒绝服务漏洞。本地攻击者可通过更改特定的序号值利用该漏洞造成拒绝服务（越边界数组访问）。 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此安全问题，补丁获取链接: https://bugzilla.kernel.org/show_bug.cgi?id=195559

Reference
https://bugzilla.kernel.org/show_bug.cgi?id=195559
Impacted products
Name
Linux Kernel <4.10.14
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8831",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8831"
    }
  },
  "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 4.10.14\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684drivers/media/pci/saa7164/saa7164-bus.c\u6587\u4ef6\u7684\u2018saa7164_bus_get\u2019\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u66f4\u6539\u7279\u5b9a\u7684\u5e8f\u53f7\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u6570\u7ec4\u8bbf\u95ee\uff09\u3002",
  "discovererName": "Pengfei Wang",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5:\r\nhttps://bugzilla.kernel.org/show_bug.cgi?id=195559",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-07579",
  "openTime": "2017-05-25",
  "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 4.10.14\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684drivers/media/pci/saa7164/saa7164-bus.c\u6587\u4ef6\u7684\u2018saa7164_bus_get\u2019\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u66f4\u6539\u7279\u5b9a\u7684\u5e8f\u53f7\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u6570\u7ec4\u8bbf\u95ee\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-2017-07579\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c4.10.14"
  },
  "referenceLink": "https://bugzilla.kernel.org/show_bug.cgi?id=195559",
  "serverity": "\u9ad8",
  "submitTime": "2017-05-09",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-07579\uff09"
}


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