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CVE-2017-8244

Quick assessment

Affected
Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。 Android中的core_info_read和inst_info_read存在竞争条件漏洞。攻击者可利用该漏洞造成缓冲区溢出。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.15% · P5
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I. Basic Information for CVE-2017-8244

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In core_info_read and inst_info_read in all Android releases from CAF using the Linux kernel, variable "dbg_buf", "dbg_buf->curr" and "dbg_buf->filled_size" could be modified by different threads at the same time, but they are not protected with mutex or locks. Buffer overflow is possible on race conditions. "buffer->curr" itself could also be overwritten, which means that it may point to anywhere of kernel memory (for write).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Android 竞争条件漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability 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。 Android中的core_info_read和inst_info_read存在竞争条件漏洞。攻击者可利用该漏洞造成缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android All Android releases from CAF using the Linux kernel -

II. Public POCs for CVE-2017-8244

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III. Intelligence Information for CVE-2017-8244

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Vendor Advisories for CVE-2017-8244 (2)

Other References for CVE-2017-8244 (1)

Same Patch Batch · Qualcomm, Inc. · 2017-05-12 · 3 CVEs total

CVE-2017-8245 Android 缓冲区错误漏洞
CVE-2017-8246 Android ALSA PCM Playback Kernel Module 安全漏洞

IV. Related Vulnerabilities

Same product: Android for MSM, Firefox OS for MSM, QRD Android
Same vendor: Qualcomm, Inc.

V. Comments for CVE-2017-8244

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