CVE-2024-46971 GPU DDK - UAF of memory in PMRUnlockSysPhysAddressesLocalMem for on-demand PMRs on PCI (LMA) systems
A non-privileged user can exploit a use-after-free vulnerability in the GPU driver to read and write freed physical memory, potentially leading to code execution or 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
- None listed
What is CVE-2024-46971?
CVE-2024-46971 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-2024-46971?
How do I fix CVE-2024-46971?
No fix has been published for CVE-2024-46971 yet. Limit exposure of the affected software until one is available.
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-2024-46971 being exploited?
There is no known exploitation of CVE-2024-46971 in the wild and no public exploit code.
Sources
Also known as GHSA-3gr3-rr4m-976p.