CVE-2021-0924 Memory corruption in Android
A missing bounds check in the Android kernel's xhci driver allows local attackers to perform an out-of-bounds read, leading to privilege escalation.
- 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-2021-0924?
CVE-2021-0924 is a high-severity memory corruption vulnerability in Google Android, published on 15 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In xhci_vendor_get_ops of xhci.c, there is a possible out of bounds read due to a missing bounds check. 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-194461020References: Upstream kernel
Weakness: CWE-125
Which versions are affected by CVE-2021-0924?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0924?
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-2021-0924 being exploited?
There is no known exploitation of CVE-2021-0924 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-194461020, ASB-A-194461020, GHSA-gw77-xfw7-7h69.