CVE-2024-47892 GPU DDK - UAF of kernel memory in PMRUnlockPhysAddressesOSMem for on-demand non-4KB PMRs in system memory (UMA)
A use-after-free vulnerability in the Imagination Technologies GPU driver allows non-privileged users to read and write freed physical memory, potentially leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-47892?
CVE-2024-47892 is a high-severity use after free vulnerability in Imagination Technologies Graphics DDK, published on 13 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Software installed and run as a non-privileged user may conduct GPU system calls to read and write freed physical memory from the GPU.
Which versions are affected by CVE-2024-47892?
How do I fix CVE-2024-47892?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2024-47892 being exploited?
There is no known exploitation of CVE-2024-47892 in the wild and no public exploit code.
Sources
Also known as A-365954523, ASB-A-365954523, GHSA-rr64-3qwv-pgf9, PP-160576.