CVE-2017-7364 Information

Description

In all Qualcomm products with Android releases from CAF using the Linux kernel in function __mdss_fb_copy_destscaler_data() variable ds_data[i].scale may still point to a user-provided address (which could point to arbitrary kernel address) so on an error condition this user-provided address will be freed (arbitrary free) and continued operation could result in use after free condition.

CVSS Vector

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

Reference

http://www.securitytracker.com/id/1038623 https://source.android.com/security/bulletin/2017-06-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8