Vulnerability-Lookup

CNVD-2017-05410

Vulnerability from cnvd - Published: 2017-04-26

Title

Linux kernel存在多个本地权限提升漏洞

Description

Linux Kernel是Linux操作系统的内核。 Linux kernel 3.18之前版本在eCryptfs子系统实现中存在多个权限提升漏洞。可使本地用户通过较大的文件系统栈，获取提升的权限。

Severity

高

Patch Name

Linux kernel存在多个本地权限提升漏洞的补丁

Patch Description

Linux Kernel是Linux操作系统的内核。 Linux kernel 3.18之前版本在eCryptfs子系统实现中存在多个权限提升漏洞。可使本地用户通过较大的文件系统栈，获取提升的权限。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: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=69c433ed2ecd2d3264efd7afec4439524b319121

Reference

https://github.com/torvalds/linux/commit/69c433ed2ecd2d3264efd7afec4439524b319121 http://www.securityfocus.com/bid/97354

Impacted products

Name
Linux Kernel < 3.18

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "97354"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-9922",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9922"
    }
  },
  "description": "Linux Kernel\u662fLinux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 3.18\u4e4b\u524d\u7248\u672c\u5728eCryptfs\u5b50\u7cfb\u7edf\u5b9e\u73b0\u4e2d\u5b58\u5728\u591a\u4e2a\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3002\u53ef\u4f7f\u672c\u5730\u7528\u6237\u901a\u8fc7\u8f83\u5927\u7684\u6587\u4ef6\u7cfb\u7edf\u6808\uff0c\u83b7\u53d6\u63d0\u5347\u7684\u6743\u9650\u3002",
  "discovererName": "Linux",
  "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:\r\nhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=69c433ed2ecd2d3264efd7afec4439524b319121",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05410",
  "openTime": "2017-04-26",
  "patchDescription": "Linux Kernel\u662fLinux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 3.18\u4e4b\u524d\u7248\u672c\u5728eCryptfs\u5b50\u7cfb\u7edf\u5b9e\u73b0\u4e2d\u5b58\u5728\u591a\u4e2a\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3002\u53ef\u4f7f\u672c\u5730\u7528\u6237\u901a\u8fc7\u8f83\u5927\u7684\u6587\u4ef6\u7cfb\u7edf\u6808\uff0c\u83b7\u53d6\u63d0\u5347\u7684\u6743\u9650\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\u5b58\u5728\u591a\u4e2a\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c 3.18"
  },
  "referenceLink": "https://github.com/torvalds/linux/commit/69c433ed2ecd2d3264efd7afec4439524b319121\r\nhttp://www.securityfocus.com/bid/97354",
  "serverity": "\u9ad8",
  "submitTime": "2017-04-05",
  "title": "Linux kernel\u5b58\u5728\u591a\u4e2a\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2014-9922 (GCVE-0-2014-9922)

Vulnerability from cvelistv5 – Published: 2017-04-04 04:54 – Updated: 2024-08-06 14:02

Summary

The eCryptfs subsystem in the Linux kernel before 3.18 allows local users to gain privileges via a large filesystem stack that includes an overlayfs layer, related to fs/ecryptfs/main.c and fs/overlayfs/super.c.

Severity

No CVSS data available.

CWE

Assigner

google_android CNA under the Google root

CNA scorecard E 40/100 over 198 records in the last 180 days details

References

5 references

URL	Tags
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
http://source.android.com/security/bulletin/2017-…	x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/69c433ed…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/97354	vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1038201	vdb-entryx_refsource_SECTRACK

Date Public

2014-10-24 00:00

Show details on NVD website

JSON

To clipboard

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          },
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            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "http://source.android.com/security/bulletin/2017-04-01.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "https://github.com/torvalds/linux/commit/69c433ed2ecd2d3264efd7afec4439524b319121"
          },
          {
            "name": "97354",
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          }
        ],
        "title": "CVE Program Container"
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        "dateUpdated": "2017-07-10T09:57:01.000Z",
        "orgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6",
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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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