#VU36453 Use-after-free in Google Android and Debian Linux - CVE-2018-9422
Published: November 6, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36453
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2018-9422
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Google Android
Debian Linux
Google Android
Debian Linux
Software vendor:
Google
Debian
Debian
Description
The vulnerability allows a local authenticated user to execute arbitrary code.
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
Remediation
Install update from vendor's website.