cnvd-2018-12669
Vulnerability from cnvd
Title
Linux kernel拒绝服务漏洞（CNVD-2018-12669）
Description
Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。 4.17.3及更早版本的Linux kernel中的fs/f2fs/inline.c存在拒绝服务漏洞。攻击者可通过内联索引节点包含一个无效的保留blkaddr的特制f2fs文件系统镜像利用该漏洞导致拒绝服务。
Severity
中
Patch Name
Linux kernel拒绝服务漏洞（CNVD-2018-12669）的补丁
Patch Description
Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。 4.17.3及更早版本的Linux kernel中的fs/f2fs/inline.c存在拒绝服务漏洞。攻击者可通过内联索引节点包含一个无效的保留blkaddr的特制f2fs文件系统镜像利用该漏洞导致拒绝服务。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=cc60e90f9bfab8d6a7fb826937e824333c3bf94a

Reference
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13099
Impacted products
Name
Linux Kernel <=4.17.3
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-13099"
    }
  },
  "description": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\r\n\r\n4.17.3\u53ca\u66f4\u65e9\u7248\u672c\u7684Linux kernel\u4e2d\u7684fs/f2fs/inline.c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5185\u8054\u7d22\u5f15\u8282\u70b9\u5305\u542b\u4e00\u4e2a\u65e0\u6548\u7684\u4fdd\u7559blkaddr\u7684\u7279\u5236f2fs\u6587\u4ef6\u7cfb\u7edf\u955c\u50cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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=cc60e90f9bfab8d6a7fb826937e824333c3bf94a",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-12669",
  "openTime": "2018-07-06",
  "patchDescription": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\r\n\r\n4.17.3\u53ca\u66f4\u65e9\u7248\u672c\u7684Linux kernel\u4e2d\u7684fs/f2fs/inline.c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5185\u8054\u7d22\u5f15\u8282\u70b9\u5305\u542b\u4e00\u4e2a\u65e0\u6548\u7684\u4fdd\u7559blkaddr\u7684\u7279\u5236f2fs\u6587\u4ef6\u7cfb\u7edf\u955c\u50cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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 kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-12669\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c=4.17.3"
  },
  "referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13099",
  "serverity": "\u4e2d",
  "submitTime": "2018-07-03",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-12669\uff09"
}


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