#VU103557 Use-after-free in PowerVR GPU DDK - CVE-2024-47892
Published: February 3, 2025
Vulnerability identifier: #VU103557
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-2024-47892
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
PowerVR GPU DDK
PowerVR GPU DDK
Software vendor:
Imagination Technologies
Imagination Technologies
Description
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.
Remediation
Install updates from vendor's website.