CNVD-2019-14241

Vulnerability from cnvd - Published: 2019-05-14
VLAI
Title
Linux Kernel rds_tcp_kill_sock竞争条件漏洞
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 5.0.8之前版本中的net/rds/tcp.c文件的‘rds_tcp_kill_sock’函数存在竞争条件问题漏洞。该漏洞源于网络系统或产品在运行过程中，并发代码需要互斥地访问共享资源时，对于并发访问的处理不当。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Severity
高
Patch Name
Linux Kernel rds_tcp_kill_sock竞争条件漏洞的补丁
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 5.0.8之前版本中的net/rds/tcp.c文件的‘rds_tcp_kill_sock’函数存在竞争条件问题漏洞。该漏洞源于网络系统或产品在运行过程中，并发代码需要互斥地访问共享资源时，对于并发访问的处理不当。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8

Reference
https://web.nvd.nist.gov//vuln/detail/CVE-2019-11815
Impacted products
Name
Linux Kernel <5.0.8
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-11815",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11815"
    }
  },
  "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\n\nLinux kernel 5.0.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684net/rds/tcp.c\u6587\u4ef6\u7684\u2018rds_tcp_kill_sock\u2019\u51fd\u6570\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u5e76\u53d1\u4ee3\u7801\u9700\u8981\u4e92\u65a5\u5730\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u65f6\uff0c\u5bf9\u4e8e\u5e76\u53d1\u8bbf\u95ee\u7684\u5904\u7406\u4e0d\u5f53\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "discovererName": "chenxiang",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-14241",
  "openTime": "2019-05-14",
  "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 5.0.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684net/rds/tcp.c\u6587\u4ef6\u7684\u2018rds_tcp_kill_sock\u2019\u51fd\u6570\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u95ee\u9898\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u5e76\u53d1\u4ee3\u7801\u9700\u8981\u4e92\u65a5\u5730\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u65f6\uff0c\u5bf9\u4e8e\u5e76\u53d1\u8bbf\u95ee\u7684\u5904\u7406\u4e0d\u5f53\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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 rds_tcp_kill_sock\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c5.0.8"
  },
  "referenceLink": "https://web.nvd.nist.gov//vuln/detail/CVE-2019-11815",
  "serverity": "\u9ad8",
  "submitTime": "2019-05-08",
  "title": "Linux Kernel rds_tcp_kill_sock\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e"
}



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