CVE-2024-46972 GPU DDK - Security: Reference count overflow in pvr_sync_rollback_export_fence
A non-privileged user can trigger a use-after-free in the GPU driver via improper system calls, potentially leading to kernel code execution and 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-2024-46972?
CVE-2024-46972 is a high-severity use after free vulnerability in Imagination Technologies Graphics DDK, published on 28 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 improper GPU system calls to trigger use-after-free kernel exceptions.
Weakness: CWE-911
Which versions are affected by CVE-2024-46972?
How do I fix CVE-2024-46972?
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-2024-46972 being exploited?
There is no known exploitation of CVE-2024-46972 in the wild and no public exploit code.
Sources
Also known as A-374964509, ASB-A-374964509, GHSA-g5w9-m9r4-63pr.