Use-after-free in Google Android - CVE-2017-9704
Published: December 20, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36278
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-9704
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local authenticated user to execute arbitrary code.
In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, There is no synchronization between msm_vb2 buffer operations which can lead to use after free.
Affected software
Google Android
How to mitigate CVE-2017-9704
Install update from vendor's website.