cnvd-2017-16339
Vulnerability from cnvd
Title
LineageOS 'msm_bus_dbg.c'空指针引用拒绝服务漏
Description
LineageOS是一个基于Android面向智能手机以及平板电脑的开源代码操作系统。android_kernel_huawei_msm8916是一个处理器。 LineageOS中的android_kernel_huawei_msm8916 2017-06-16及之前的版本的drivers/platform/msm/msm_bus/msm_bus_dbg.c文件的‘msm_bus_dbg_update_request_write’函数存在安全漏洞。攻击者可通过发送特制的/sys/kernel/debug/msm-bus-dbg/client-data/update-request写入请求利用该漏洞造成拒绝服务（空指针逆向引用和应用程序崩溃）。
Severity
中
Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://github.com/LineageOS

Reference
http://www.securityfocus.com/bid/99107
Impacted products
Name
['LineageOS LineageOS 0', 'LineageOS android_kernel_huawei_msm8916 <=2017-06-16']
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{
  "bids": {
    "bid": {
      "bidNumber": "99107"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-6899"
    }
  },
  "description": "LineageOS\u662f\u4e00\u4e2a\u57fa\u4e8eAndroid\u9762\u5411\u667a\u80fd\u624b\u673a\u4ee5\u53ca\u5e73\u677f\u7535\u8111\u7684\u5f00\u6e90\u4ee3\u7801\u64cd\u4f5c\u7cfb\u7edf\u3002android_kernel_huawei_msm8916\u662f\u4e00\u4e2a\u5904\u7406\u5668\u3002\r\n\r\nLineageOS\u4e2d\u7684android_kernel_huawei_msm8916 2017-06-16\u53ca\u4e4b\u524d\u7684\u7248\u672c\u7684drivers/platform/msm/msm_bus/msm_bus_dbg.c\u6587\u4ef6\u7684\u2018msm_bus_dbg_update_request_write\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5236\u7684/sys/kernel/debug/msm-bus-dbg/client-data/update-request\u5199\u5165\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\u3002",
  "discovererName": "Mengzi",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a \r\nhttps://github.com/LineageOS",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-16339",
  "openTime": "2017-07-25",
  "products": {
    "product": [
      "LineageOS LineageOS 0",
      "LineageOS android_kernel_huawei_msm8916 \u003c=2017-06-16"
    ]
  },
  "referenceLink": "http://www.securityfocus.com/bid/99107",
  "serverity": "\u4e2d",
  "submitTime": "2017-06-26",
  "title": "LineageOS \u0027msm_bus_dbg.c\u0027\u7a7a\u6307\u9488\u5f15\u7528\u62d2\u7edd\u670d\u52a1\u6f0f"
}


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