CNVD-2015-02891

Vulnerability from cnvd - Published: 2015-05-06
VLAI
Title
Linux Kernel net/ipv4/ping.c ping_unhash()函数内存错误引用本地权限提升漏洞
Description
Linux Kernel是一款开源的操作系统。 Linux Kernel net/ipv4/ping.c中的ping_unhash()函数存在内存错误引用本地权限提升漏洞，允许本地攻击者利用漏洞以root权限执行任意代码。
Severity
中
Patch Name
Linux Kernel net/ipv4/ping.c ping_unhash()函数内存错误引用本地权限提升漏洞的补丁
Patch Description
Linux Kernel是一款开源的操作系统。Linux Kernel net/ipv4/ping.c中的ping_unhash()函数存在内存错误引用本地权限提升漏洞，允许本地攻击者利用漏洞以root权限执行任意代码。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

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： https://github.com/torvalds/linux/commit/a134f083e79fb4c3d0a925691e732c56911b4326

Reference
https://bugzilla.redhat.com/show_bug.cgi?id=1218074
Impacted products
Name
Linux Kernel
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "74450"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-3636"
    }
  },
  "description": "Linux Kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux Kernel net/ipv4/ping.c\u4e2d\u7684ping_unhash()\u51fd\u6570\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u4ee5root\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Petr Matousek",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://github.com/torvalds/linux/commit/a134f083e79fb4c3d0a925691e732c56911b4326",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02891",
  "openTime": "2015-05-06",
  "patchDescription": "Linux Kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Linux Kernel net/ipv4/ping.c\u4e2d\u7684ping_unhash()\u51fd\u6570\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u4ee5root\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\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 net/ipv4/ping.c ping_unhash()\u51fd\u6570\u5185\u5b58\u9519\u8bef\u5f15\u7528\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1218074",
  "serverity": "\u4e2d",
  "submitTime": "2015-05-04",
  "title": "Linux Kernel net/ipv4/ping.c ping_unhash()\u51fd\u6570\u5185\u5b58\u9519\u8bef\u5f15\u7528\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}



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Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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