CVE-2022-20155 Use after free in Android
A race condition in the Android kernel's IPU core driver allows local attackers to achieve privilege escalation via a use-after-free vulnerability.
- 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-2022-20155?
CVE-2022-20155 is a high-severity use after free vulnerability in Google Android, published on 15 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In ipu_core_jqs_msg_transport_kernel_write_sync of ipu-core-jqs-msg-transport.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-176754369References: N/A
Weakness: CWE-362
Which versions are affected by CVE-2022-20155?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20155?
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-2022-20155 being exploited?
There is no known exploitation of CVE-2022-20155 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-176754369, GHSA-p5w2-mxxh-jwgh, PUB-A-176754369.