CVE-2022-36449 Use after free in n/a
A non-privileged user can exploit a use-after-free flaw in the Arm Mali GPU driver to read or write memory, potentially leading to information disclosure or limited memory corruption.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-36449?
CVE-2022-36449 is a medium-severity use after free vulnerability in Arm Valhall Gpu Kernel Driver, published on 1 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory, write a limited amount outside of buffer bounds, or to disclose details of memory mappings. This affects Midgard r4p0 through r32p0, Bifrost r0p0 through r38p0 and r39p0 before r38p1, and Valhall r19p0 through r38p0 and r39p0 before r38p1.
Weakness: CWE-416
Which versions are affected by CVE-2022-36449?
It affects 3 products.
Products include Arm Bifrost Gpu Kernel Driver, Arm Midgard Gpu Kernel Driver, Arm Valhall Gpu Kernel Driver.
How do I fix CVE-2022-36449?
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-2022-36449 being exploited?
There is no known exploitation of CVE-2022-36449 in the wild and no public exploit code.
Other vulnerabilities in Arm Valhall Gpu Kernel Driver
- CVE-2022-38181 Arm Mali GPU Kernel Driver Use-After-Free
- CVE-2021-29256 Arm Mali GPU Kernel Driver Use-After-Free
- CVE-2021-28663 Arm Mali Graphics Processing Unit (GPU) Use-After-Free
- CVE-2021-28664 Arm Mali Graphics Processing Unit (GPU) Unspecified
- CVE-2022-22706 Arm Mali GPU Kernel Driver Unspecified
Sources
Also known as A-259983537, ASB-A-259983537, GHSA-ff7h-mhv4-853x.