CVE-2023-5091 Mali GPU Kernel Driver allows improper GPU processing operations
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
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-5091?
CVE-2023-5091 is a high-severity use after free vulnerability in Arm Valhall Gpu Kernel Driver, published on 8 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.
Weakness: CWE-416
Which versions are affected by CVE-2023-5091?
It affects 1 product.
Products include Arm Valhall Gpu Kernel Driver.
How do I fix CVE-2023-5091?
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-2023-5091 being exploited?
There is no known exploitation of CVE-2023-5091 in the wild and no public exploit code.
Other vulnerabilities in Arm Valhall Gpu Kernel Driver
Sources
Also known as A-298150556, ASB-A-298150556, GHSA-66qh-r598-w33q.