CVE-2017-9677 Information

Description

In all Qualcomm products with Android releases from CAF using the Linux kernel in function msm_compr_ioctl_shared variable \ddp-params_length\ could be accessed and modified by multiple threads while it is not protected with locks. If one thread is running while another thread is setting data race conditions will happen. If \ddp-params_length\ is set to a big number a buffer overflow will occur.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/100658 https://source.android.com/security/bulletin/2017-09-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8