National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-8244 Detail

Current 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:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.0 HIGH
Vector:  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/98547 Third Party Advisory VDB Entry
https://source.android.com/security/bulletin/pixel/2017-12-01
https://www.codeaurora.org/buffer-overflow-msmvidc-debugfs-driver-coreinforead-and-instinforead-cve-2017-8244 Patch Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer NIST  
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-8244
NVD Published Date:
05/12/2017
NVD Last Modified:
12/05/2017