Use-after-free in PowerVR GPU DDK - CVE-2024-47892
Published: February 3, 2025
Vulnerability identifier: #VU103557
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-2024-47892
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error of kernel memory in PMRUnlockPhysAddressesOSMem for on-demand non-4KB PMRs in system memory (UMA). A local user can conduct GPU system calls to read and write freed physical memory from the GPU.
Affected software
PowerVR GPU DDK
Samsung Mobile Firmware
Google Android
Samsung Mobile Firmware
Google Android
How to mitigate CVE-2024-47892
Install updates from vendor's website.
Samsung Mobile Firmware - update to SMR-MAR-2025
Google Android - addressed in versions 12L 2025-02-05, 12 2025-02-05, 13 2025-02-05, 14 2025-02-05, 15 2025-02-05
Google Android - addressed in versions 12L 2025-02-05, 12 2025-02-05, 13 2025-02-05, 14 2025-02-05, 15 2025-02-05