cnvd - cnvd-2016-01668

cnvd-2016-01668

Vulnerability from cnvd

Title: Android Linux kernel信息泄露漏洞

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是美国Linux基金会发布的操作系统Linux所使用的内核。

Android 2016-03-01之前6.0.1版本中使用的Linux kernel 3.19.3之前版本的fs/proc/task_mmu.c文件中的‘pagemap_open’函数存在安全漏洞。本地攻击者可通过读取pagemap文件利用该漏洞获取敏感的物理地址信息。

Severity: 低

Patch Name: Android Linux kernel信息泄露漏洞的补丁

Patch Description:

Android 2016-03-01之前6.0.1版本中使用的Linux kernel 3.19.3之前版本的fs/proc/task_mmu.c文件中的‘pagemap_open’函数存在安全漏洞。本地攻击者可通过读取pagemap文件利用该漏洞获取敏感的物理地址信息。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://source.android.com/security/bulletin/2016-03-01.html https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3

Reference: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3

Impacted products

Name
['Google Android 6.0.1(<2016-03-01)', 'Linux Kernel <3.19.3']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-0823"
    }
  },
  "description": "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\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nAndroid 2016-03-01\u4e4b\u524d6.0.1\u7248\u672c\u4e2d\u4f7f\u7528\u7684Linux kernel 3.19.3\u4e4b\u524d\u7248\u672c\u7684fs/proc/task_mmu.c\u6587\u4ef6\u4e2d\u7684\u2018pagemap_open\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bfb\u53d6pagemap\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u7684\u7269\u7406\u5730\u5740\u4fe1\u606f\u3002",
  "discovererName": "Google",
  "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://source.android.com/security/bulletin/2016-03-01.html\r\nhttps://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01668",
  "openTime": "2016-03-16",
  "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\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nAndroid 2016-03-01\u4e4b\u524d6.0.1\u7248\u672c\u4e2d\u4f7f\u7528\u7684Linux kernel 3.19.3\u4e4b\u524d\u7248\u672c\u7684fs/proc/task_mmu.c\u6587\u4ef6\u4e2d\u7684\u2018pagemap_open\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bfb\u53d6pagemap\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u7684\u7269\u7406\u5730\u5740\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\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Google Android 6.0.1(\u003c2016-03-01)",
      "Linux Kernel \u003c3.19.3"
    ]
  },
  "referenceLink": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3",
  "serverity": "\u4f4e",
  "submitTime": "2016-03-14",
  "title": "Android Linux kernel\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2016-0823 (GCVE-0-2016-0823)

Vulnerability from cvelistv5

Published

2016-03-12 21:00

Modified

2024-08-05 22:30

Severity ?

CWE

Summary

The pagemap_open function in fs/proc/task_mmu.c in the Linux kernel before 3.19.3, as used in Android 6.0.1 before 2016-03-01, allows local users to obtain sensitive physical-address information by reading a pagemap file, aka Android internal bug 25739721.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/84265	vdb-entry, x_refsource_BID
	http://googleprojectzero.blogspot.com/2015/03/exploiting-dram-rowhammer-bug-to-gain.html	x_refsource_MISC
	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3	x_refsource_CONFIRM
	http://source.android.com/security/bulletin/2016-03-01.html	x_refsource_CONFIRM
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ab676b7d6fbf4b294bf198fb27ade5b0e865c7ce	x_refsource_CONFIRM
	https://github.com/torvalds/linux/commit/ab676b7d6fbf4b294bf198fb27ade5b0e865c7ce	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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