cnvd-2016-02895
Vulnerability from cnvd

Title: Linux kernel限制使用写入漏洞

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中存在安全漏洞，该漏洞源于drivers/infiniband栈使用不安全的‘write()’函数替换‘bi-directional ioctl()’函数。攻击者可利用该漏洞写入内核内存。

Severity: 高

Patch Name: Linux kernel限制使用写入漏洞的补丁

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中存在安全漏洞，该漏洞源于drivers/infiniband栈使用不安全的‘write()’函数替换‘bi-directional ioctl()’函数。攻击者可利用该漏洞写入内核内存。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://git.kernel.org/linus/e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3

Reference: http://www.openwall.com/lists/oss-security/2016/05/07/6

Impacted products
Name
Linux Kernel
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-4565"
    }
  },
  "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\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edrivers/infiniband\u6808\u4f7f\u7528\u4e0d\u5b89\u5168\u7684\u2018write()\u2019\u51fd\u6570\u66ff\u6362\u2018bi-directional ioctl()\u2019\u51fd\u6570\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5199\u5165\u5185\u6838\u5185\u5b58\u3002",
  "discovererName": "Jason Gunthorpe",
  "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\uff1a\r\nhttps://git.kernel.org/linus/e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02895",
  "openTime": "2016-05-10",
  "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\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edrivers/infiniband\u6808\u4f7f\u7528\u4e0d\u5b89\u5168\u7684\u2018write()\u2019\u51fd\u6570\u66ff\u6362\u2018bi-directional ioctl()\u2019\u51fd\u6570\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5199\u5165\u5185\u6838\u5185\u5b58\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\u9650\u5236\u4f7f\u7528\u5199\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2016/05/07/6",
  "serverity": "\u9ad8",
  "submitTime": "2016-05-09",
  "title": "Linux kernel\u9650\u5236\u4f7f\u7528\u5199\u5165\u6f0f\u6d1e"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.