CVE-2023-20941 Memory corruption in Android
An out-of-bounds write in the Android kernel allows local attackers to escalate privileges via physical access and user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-20941?
CVE-2023-20941 is a medium-severity memory corruption vulnerability in Google Android, published on 19 Apr 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In acc_ctrlrequest_composite of f_accessory.c, there is a possible out of bounds write due to a missing bounds check. This could lead to physical escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-264029575References: Upstream kernel
Weakness: CWE-787
Which versions are affected by CVE-2023-20941?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-20941?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-20941 being exploited?
There is no known exploitation of CVE-2023-20941 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-264029575, ASB-A-264029575, GHSA-5qxw-85cv-8fqm.