CVE-2021-0475: Use After Free

Published May 3, 2021

Updated

In onl2capdataind of btifsockl2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-175686168

Affected Software

3 affected components

Google Android=10.0

Google Android=11.0

Google Android

Remediation

Patch Available

https://source.android.com/security/bulletin/2021-05-01

Event History

May 3, 2021

CVE Published

via Android·12:00 AM

Data Sourced

via Android·12:00 AM

SeverityWeaknessAffected Software

Jun 11, 2021

CVE Published

via MITRE·04:42 PM

Data Sourced

via MITRE·04:42 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2021-0475?

CVE-2021-0475 has a high severity rating as it can lead to remote code execution over Bluetooth.

How do I fix CVE-2021-0475?

To fix CVE-2021-0475, update your Android device to the latest security patch that addresses this vulnerability.

Which versions of Android are affected by CVE-2021-0475?

CVE-2021-0475 affects Android versions 10.0 and 11.0.

Is user interaction required to exploit CVE-2021-0475?

No, user interaction is not needed for exploiting CVE-2021-0475.

What could be the consequence of exploiting CVE-2021-0475?

Exploiting CVE-2021-0475 could lead to memory corruption and allow an attacker to execute arbitrary code on the device.