CVE-2022-33917 Use after free in n/a
A non-privileged user can exploit a use-after-free in the Arm Mali GPU driver to gain access to 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-2022-33917?
CVE-2022-33917 is a medium-severity use after free vulnerability in Arm Valhall Gpu Kernel Driver, published on 2 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Arm Mali GPU Kernel Driver (Valhall r29p0 through r38p0). A non-privileged user can make improper GPU processing operations to gain access to already freed memory.
Which versions are affected by CVE-2022-33917?
It affects 1 product.
Products include Arm Valhall Gpu Kernel Driver.
How do I fix CVE-2022-33917?
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-2022-33917 being exploited?
There is no known exploitation of CVE-2022-33917 in the wild and no public exploit code.
Other vulnerabilities in Arm Valhall Gpu Kernel Driver
Sources
Also known as A-259984559, ASB-A-259984559, GHSA-wpp7-hmg7-5vm6.