Use-after-free in Google Android - CVE-2019-9273

 

Use-after-free in Google Android - CVE-2019-9273

Published: September 7, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35539
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-9273
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

The vulnerability allows a local privileged user to execute arbitrary code.

In the Android kernel in the synaptics_dsx_htc touchscreen driver there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.


How to mitigate CVE-2019-9273

Install update from vendor's website.

Sources