CVE-2021-0607 Memory corruption in Android
A missing bounds check in the Android kernel allows local attackers to write to hardware ports, 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-2021-0607?
CVE-2021-0607 is a high-severity memory corruption vulnerability in Google Android, published on 22 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In iaxxx_calc_i2s_div of iaxxx-codec.c, there is a possible hardware port write with user controlled data 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-180950209
Weakness: CWE-787
Which versions are affected by CVE-2021-0607?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0607?
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-2021-0607 being exploited?
There is no known exploitation of CVE-2021-0607 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-180950209, GHSA-6qwh-j325-grp2, PUB-A-180950209.