CVE-2025-46709 GPU DDK - Security fix for PP-171570 can lead to an uninitialised pointer dereference and memory leak
Attackers can trigger kernel exceptions or leak heap data via uninitialised pointer dereference in Imagination Technologies GPU drivers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-46709?
CVE-2025-46709 is a high-severity use after free vulnerability in Imagination Technologies Graphics DDK, published on 8 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Possible memory leak or kernel exceptions caused by reading kernel heap data after free or NULL pointer dereference kernel exception.
Weakness: CWE-416
Which versions are affected by CVE-2025-46709?
It affects 1 product.
Products include Imaginationtech Ddk.
How do I fix CVE-2025-46709?
No fix has been published for CVE-2025-46709 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-2025-46709 being exploited?
There is no known exploitation of CVE-2025-46709 in the wild and no public exploit code.
Other vulnerabilities in Imagination Technologies Graphics DDK
- CVE-2026-16280 GPU DDK - Integer overflow in _PMRLogicalOffsetToPhysicalOffset
- CVE-2025-13952 GPU DDK - libusc UAF via WebGPU shaders at MergeConsecutiveBarriersBP
- CVE-2026-21732 GPU DDK - libusc OOB write at ConvertSwitchToArrayLookupBP during WebGPU shader compilation
- CVE-2025-25176 GPU DDK - GPU Register value contents leaked from secure workloads to non-secure world
- CVE-2025-58411 GPU DDK - Reservation::psMappedPMR can change while used by a freelist -> UAF
Sources
Also known as GHSA-g442-cv6p-6f3m.