CVE-2021-0461 Explained : Impact and Mitigation
Learn about CVE-2021-0461 impacting the Android kernel, allowing local privilege escalation. Find details on the vulnerability, affected systems, and mitigation steps.
This CVE-2021-0461 vulnerability impacts the Android operating system, specifically within the Android kernel, potentially leading to an elevation of privilege without requiring user interaction.
Understanding CVE-2021-0461
This section delves into the details surrounding CVE-2021-0461, including its impact and technical aspects.
What is CVE-2021-0461?
CVE-2021-0461 involves an out-of-bounds write in iaxxx_core_sensor_change_state of iaxxx-module.c, where a missing bounds check can be exploited for local privilege escalation.
The Impact of CVE-2021-0461
The vulnerability could allow an attacker to attain elevated privileges within the system without the need for user interaction, posing a serious security risk.
Technical Details of CVE-2021-0461
Explore the technicalities and specifics of CVE-2021-0461 to better understand its implications.
Vulnerability Description
The vulnerability arises due to a lack of proper bounds checking, enabling unauthorized modification of memory contents and potentially leading to privilege escalation.
Affected Systems and Versions
Android operating systems with the Android kernel are affected by this vulnerability, emphasizing the need for prompt security measures.
Exploitation Mechanism
By exploiting the out-of-bounds write in iaxxx_module.c, threat actors can escalate privilege levels locally, highlighting the critical nature of this flaw.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks associated with CVE-2021-0461 and prevent potential exploitation.
Immediate Steps to Take
It is crucial to apply security patches promptly, monitor for any suspicious activities, and restrict system access to mitigate the risk of privilege escalation.
Long-Term Security Practices
Implementing strict access controls, conducting regular security audits, and ensuring timely updates can enhance the long-term security posture of affected systems.
Patching and Updates
Regularly updating the Android kernel and associated software patches is essential to address CVE-2021-0461 and safeguard against similar vulnerabilities.