Use-after-free in Google Android - CVE-2023-21165
Published: January 3, 2024 / Updated: June 28, 2025
Vulnerability identifier: #VU84965
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-2023-21165
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in PowerVR-GPU DevmemIntUnmapPMR. A local application can execute arbitrary code with elevated privileges.
Affected software
Google Android
PowerVR GPU DDK
PowerVR GPU DDK
How to mitigate CVE-2023-21165
Install updates from vendor's website.
Google Android - addressed in versions 11 2024-01-05, 12L 2024-01-05, 12 2024-01-05, 13 2024-01-05, 14 2024-01-05
PowerVR GPU DDK - update to 23.3
PowerVR GPU DDK - update to 23.3