Vulnerability-Lookup

CNVD-2017-00226

Vulnerability from cnvd - Published: 2017-01-10

Title

Linux kernel本地整数溢出漏洞（CNVD-2017-00226）

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 4.6.1之前的版本中的profiling子系统的kernel/trace/ring_buffer.c文件的‘ring_buffer_resize’函数存在安全漏洞，由于程序未能正确的处理整数计算。本地攻击者可通过写入/sys/kernel/debug/tracing/buffer_size_kb文件利用获取权限。

Severity

高

Patch Name

Linux kernel本地整数溢出漏洞（CNVD-2017-00226）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，详情请关注厂商主页： http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1

Reference

https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6

Impacted products

Name
Linux Kernel <4.6.1

Show details on source website

JSON

To clipboard

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    "bid": {
      "bidNumber": "95278"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-9754"
    }
  },
  "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 4.6.1\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684profiling\u5b50\u7cfb\u7edf\u7684kernel/trace/ring_buffer.c\u6587\u4ef6\u7684\u2018ring_buffer_resize\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u6574\u6570\u8ba1\u7b97\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5199\u5165/sys/kernel/debug/tracing/buffer_size_kb\u6587\u4ef6\u5229\u7528\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\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-00226",
  "openTime": "2017-01-10",
  "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 4.6.1\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684profiling\u5b50\u7cfb\u7edf\u7684kernel/trace/ring_buffer.c\u6587\u4ef6\u7684\u2018ring_buffer_resize\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u6574\u6570\u8ba1\u7b97\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5199\u5165/sys/kernel/debug/tracing/buffer_size_kb\u6587\u4ef6\u5229\u7528\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\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-00226\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c4.6.1"
  },
  "referenceLink": "https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6",
  "serverity": "\u9ad8",
  "submitTime": "2017-01-06",
  "title": "Linux kernel\u672c\u5730\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-00226\uff09"
}

CVE-2016-9754 (GCVE-0-2016-9754)

Vulnerability from cvelistv5 – Published: 2017-01-05 11:00 – Updated: 2024-08-06 02:59

Summary

The ring_buffer_resize function in kernel/trace/ring_buffer.c in the profiling subsystem in the Linux kernel before 4.6.1 mishandles certain integer calculations, which allows local users to gain privileges by writing to the /sys/kernel/debug/tracing/buffer_size_kb file.

Severity

No CVSS data available.

CWE

Assigner

google_android Google root

References

5 references

URL	Tags
https://source.android.com/security/bulletin/2017…	x_refsource_CONFIRM
http://www.kernel.org/pub/linux/kernel/v4.x/Chang…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/95278	vdb-entryx_refsource_BID
https://github.com/torvalds/linux/commit/59643d15…	x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM

Date Public

2016-04-27 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.
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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.

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.
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Action not permitted

CNVD-2017-00226

CVE-2016-9754 (GCVE-0-2016-9754)

Tags

Sightings

Nomenclature

Related by attack behaviour