CVE-2021-0512 Memory corruption in Android
A heap buffer overflow in the Android kernel allows local attackers to escalate privileges without user interaction or additional execution privileges.
- 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-2021-0512?
CVE-2021-0512 is a high-severity memory corruption vulnerability in Google Android, published on 21 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In __hidinput_change_resolution_multipliers of hid-input.c, there is a possible out of bounds write due to a heap buffer overflow. 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-173843328References: Upstream kernel
Weakness: CWE-787
Which versions are affected by CVE-2021-0512?
It affects 1 product.
Linux distribution packages (1)
kernel-livepatch-SLE15-SP1_Update_25 SUSE:Linux Enterprise Live Patching 15 SP1 | All versions | 2-2.1 |
Products include Google Android.
How do I fix CVE-2021-0512?
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-2021-0512 being exploited?
There is no known exploitation of CVE-2021-0512 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-173843328, ASB-A-173843328, DEBIAN-CVE-2021-0512, GHSA-x4h3-hq3r-rqx8, SUSE-SU-2021:2372-1, UBUNTU-CVE-2021-0512.