cnvd-2018-16690
Vulnerability from cnvd
Title
Linux kerne 'fs/f2fs/super.c'本地拒绝服务漏洞
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 4.17.3及之前版本中的fs/f2fs/super.c文件存在安全漏洞，该漏洞源于程序未能正确的验证被损坏f2fs镜像的secs_per_zone。攻击者可利用该漏洞造成拒绝服务。
Severity
低
Patch Name
Linux kerne 'fs/f2fs/super.c'本地拒绝服务漏洞的补丁
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 4.17.3及之前版本中的fs/f2fs/super.c文件存在安全漏洞，该漏洞源于程序未能正确的验证被损坏f2fs镜像的secs_per_zone。攻击者可利用该漏洞造成拒绝服务。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

厂商已发布漏洞修复程序，请及时关注更新： https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=977f9bb558cb4a95d53b10301f5c739ed8867d4d

Reference
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13100
Impacted products
Name
Linux Kernel <=4.17.3
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "104679"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-13100"
    }
  },
  "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 4.17.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684fs/f2fs/super.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u9a8c\u8bc1\u88ab\u635f\u574ff2fs\u955c\u50cf\u7684secs_per_zone\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Wen Xu",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev\u0026id=977f9bb558cb4a95d53b10301f5c739ed8867d4d",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-16690",
  "openTime": "2018-08-28",
  "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 4.17.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684fs/f2fs/super.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u9a8c\u8bc1\u88ab\u635f\u574ff2fs\u955c\u50cf\u7684secs_per_zone\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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 kerne \u0027fs/f2fs/super.c\u0027\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c=4.17.3"
  },
  "referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13100",
  "serverity": "\u4f4e",
  "submitTime": "2018-07-03",
  "title": "Linux kerne \u0027fs/f2fs/super.c\u0027\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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