Vulnerability-Lookup

CNVD-2016-09459

Vulnerability from cnvd - Published: 2016-10-19

Title

Android Linux kernel信息泄露漏洞（CNVD-2016-09459）

Description

Android是美国谷歌（Google）公司和开放手持设备联盟（简称OHA）共同开发的一套以Linux为基础的开源操作系统。Linux kernel是其中的一个Linux所使用的内核。 Android及其他产品中的ION子系统使用的Linux kernel 4.0.3之前版本的arch/arm64/mm/dma-mapping.c文件中存在信息泄露漏洞，该漏洞源于程序未能初始化数据结构。本地攻击者可利用该漏洞获取内核内存的敏感信息。

Severity

中

Patch Name

Android Linux kernel信息泄露漏洞（CNVD-2016-09459）的补丁

Patch Description

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/6829e274a623187c24f7cfc0e3d35f25d087fcc5

Reference

http://www.securityfocus.com/bid/93318

Impacted products

Name
Linux Kernel <4.0.3

Show details on source website

JSON

To clipboard

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    "bid": {
      "bidNumber": "93318"
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    "cve": {
      "cveNumber": "CVE-2015-8950"
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  "discovererName": "Hang Zhang, Dongdong She, and Zhiyun Qian of UC Riverside",
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  "number": "CNVD-2016-09459",
  "openTime": "2016-10-19",
  "patchDescription": "Android\u662f\u7f8e\u56fd\u8c37\u6b4c\uff08Google\uff09\u516c\u53f8\u548c\u5f00\u653e\u624b\u6301\u8bbe\u5907\u8054\u76df\uff08\u7b80\u79f0OHA\uff09\u5171\u540c\u5f00\u53d1\u7684\u4e00\u5957\u4ee5Linux\u4e3a\u57fa\u7840\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\u3002Linux kernel\u662f\u5176\u4e2d\u7684\u4e00\u4e2aLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nAndroid\u53ca\u5176\u4ed6\u4ea7\u54c1\u4e2d\u7684ION\u5b50\u7cfb\u7edf\u4f7f\u7528\u7684Linux kernel 4.0.3\u4e4b\u524d\u7248\u672c\u7684arch/arm64/mm/dma-mapping.c\u6587\u4ef6\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u521d\u59cb\u5316\u6570\u636e\u7ed3\u6784\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u5185\u6838\u5185\u5b58\u7684\u654f\u611f\u4fe1\u606f\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": "Android Linux kernel\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2016-09459\uff09\u7684\u8865\u4e01",
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  "serverity": "\u4e2d",
  "submitTime": "2016-10-13",
  "title": "Android Linux kernel\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2016-09459\uff09"
}

CVE-2015-8950 (GCVE-0-2015-8950)

Vulnerability from cvelistv5 – Published: 2016-10-10 10:00 – Updated: 2024-08-06 08:36

Summary

arch/arm64/mm/dma-mapping.c in the Linux kernel before 4.0.3, as used in the ION subsystem in Android and other products, does not initialize certain data structures, which allows local users to obtain sensitive information from kernel memory by triggering a dma_mmap call.

Severity

No CVSS data available.

CWE

Assigner

google_android Google root

References

6 references

URL	Tags
https://source.codeaurora.org/quic/la/kernel/msm-…	x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/6829e274…	x_refsource_CONFIRM
http://source.android.com/security/bulletin/2016-…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/93318	vdb-entryx_refsource_BID
http://www.kernel.org/pub/linux/kernel/v4.x/Chang…	x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM

Date Public

2015-05-13 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.

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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CNVD-2016-09459

CVE-2015-8950 (GCVE-0-2015-8950)

Tags

Sightings

Nomenclature

Related by attack behaviour