Vulnerability-Lookup

CNVD-2016-12204

Vulnerability from cnvd - Published: 2016-12-13

Title

Linux Kernel本地权限提升漏洞（CNVD-2016-12204）

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 4.0之前版本中的arch/arm64/kernel/sys.c文件存在安全漏洞。本地攻击者可借助写入权限利用该漏洞绕过‘strict page permissions’保护机制，修改系统调用表格，并获取权限。

Severity

中

Patch Name

Linux Kernel本地权限提升漏洞（CNVD-2016-12204）的补丁

Patch Description

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=c623b33b4e9599c6ac5076f7db7369eb9869aa04

Reference

http://www.securityfocus.com/bid/94680

Impacted products

Name
Linux Kernel <4.0

Show details on source website

JSON

To clipboard

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      "bidNumber": "94680"
    }
  },
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    "cve": {
      "cveNumber": "CVE-2015-8967"
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  "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 4.0\u4e4b\u524d\u7248\u672c\u4e2d\u7684arch/arm64/kernel/sys.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5199\u5165\u6743\u9650\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u2018strict page permissions\u2019\u4fdd\u62a4\u673a\u5236\uff0c\u4fee\u6539\u7cfb\u7edf\u8c03\u7528\u8868\u683c\uff0c\u5e76\u83b7\u53d6\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\uff1a\r\nhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c623b33b4e9599c6ac5076f7db7369eb9869aa04",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-12204",
  "openTime": "2016-12-13",
  "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 4.0\u4e4b\u524d\u7248\u672c\u4e2d\u7684arch/arm64/kernel/sys.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5199\u5165\u6743\u9650\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u2018strict page permissions\u2019\u4fdd\u62a4\u673a\u5236\uff0c\u4fee\u6539\u7cfb\u7edf\u8c03\u7528\u8868\u683c\uff0c\u5e76\u83b7\u53d6\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\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2016-12204\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c4.0"
  },
  "referenceLink": "http://www.securityfocus.com/bid/94680",
  "serverity": "\u4e2d",
  "submitTime": "2016-12-08",
  "title": "Linux Kernel\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2016-12204\uff09"
}

CVE-2015-8967 (GCVE-0-2015-8967)

Vulnerability from cvelistv5 – Published: 2016-12-08 21:00 – Updated: 2024-08-06 08:36

Summary

arch/arm64/kernel/sys.c in the Linux kernel before 4.0 allows local users to bypass the "strict page permissions" protection mechanism and modify the system-call table, and consequently gain privileges, by leveraging write access.

Severity

No CVSS data available.

CWE

Assigner

google_android Google root

References

4 references

URL	Tags
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/c623b33b…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/94680	vdb-entryx_refsource_BID
http://source.android.com/security/bulletin/2016-…	x_refsource_CONFIRM

Date Public

2015-01-27 00:00

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.