CVE-2023-4211 Arm Mali GPU Kernel Driver Use-After-Free
A local attacker can exploit a use-after-free flaw in the Mali GPU kernel driver to access freed memory, potentially leading to privilege escalation or code execution.
- Exploited in the wild
- Since 3 Oct 2023
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-4211?
CVE-2023-4211 is a medium-severity use after free vulnerability in Arm Valhall Gpu Kernel Driver, published on 1 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.
Weakness: CWE-416
Which versions are affected by CVE-2023-4211?
It affects 4 products.
Products include Arm 5th Gen Gpu Architecture Kernel Driver, Arm Bifrost Gpu Kernel Driver, Arm Midgard Gpu Kernel Driver, Arm Valhall Gpu Kernel Driver.
How do I fix CVE-2023-4211?
Apply the vendor's patch. US federal agencies must fix it by 24 Oct 2023.
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-2023-4211 being exploited?
Yes. Attackers have exploited CVE-2023-4211 in the wild since at least 3 Oct 2023.
Other vulnerabilities in Arm Valhall Gpu Kernel Driver
- CVE-2023-26083 Arm Mali GPU Kernel Driver Information Disclosure
- CVE-2023-6143 Mali GPU Kernel Driver allows improper GPU memory processing operations
- CVE-2025-0073 Mali GPU Kernel Driver allows improper GPU memory processing operations
- CVE-2025-0819 Mali GPU Kernel Driver allows access to already freed memory
- CVE-2025-0072 Mali GPU Kernel Driver allows improper GPU memory processing operations
Sources
Also known as A-294605494, ASB-A-294605494, GHSA-7537-p54v-mh3v, PUB-A-294605494.