Double Free in Google Android - CVE-2018-11840
Published: September 18, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36675
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-2018-11840
CWE-ID: CWE-415
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, while processing the WLAN driver command ioctl a temporary buffer used to construct the reply message may be freed twice.
Affected software
Google Android
How to mitigate CVE-2018-11840
Install update from vendor's website.