CVE-2021-0697 : Vulnerability Insights and Analysis
Understand the impact of CVE-2021-0697, a vulnerability in Android SoC devices leading to local privilege escalation. Learn about mitigation and security practices.
This CVE-2021-0697 article provides details about a vulnerability found in Android SoC devices, potentially leading to local privilege escalation without the need for user interaction.
Understanding CVE-2021-0697
CVE-2021-0697 refers to a race condition in the PVRSRVRGXSubmitTransferKM function of the rgxtransfer.c file within Android SoC devices, which could result in a user after free vulnerability.
What is CVE-2021-0697?
The CVE-2021-0697 vulnerability allows an attacker to locally escalate privileges without requiring any additional execution permissions, posing a risk of unauthorized access.
The Impact of CVE-2021-0697
If exploited, this vulnerability could enable malicious actors to elevate their privileges on affected Android SoC devices, potentially compromising the security and integrity of the system.
Technical Details of CVE-2021-0697
This section outlines the specific technical aspects of the CVE-2021-0697 vulnerability.
Vulnerability Description
The vulnerability arises from a race condition in the PVRSRVRGXSubmitTransferKM function, leading to a user after free situation and allowing for local privilege escalation.
Affected Systems and Versions
The affected systems include Android devices utilizing the Android SoC platform. Devices running on this specific hardware configuration are vulnerable to exploitation.
Exploitation Mechanism
Exploiting CVE-2021-0697 involves leveraging the race condition within the PVRSRVRGXSubmitTransferKM function to trigger the user after free scenario, ultimately achieving local privilege escalation.
Mitigation and Prevention
To secure systems against CVE-2021-0697, it is crucial to implement appropriate mitigation measures and follow best security practices.
Immediate Steps to Take
Immediate actions include staying informed about security updates and patches released by the vendor, as well as monitoring for any signs of exploitation or unauthorized activities.
Long-Term Security Practices
In the long term, organizations and users should prioritize regular security assessments, maintaining up-to-date software versions, and conducting security awareness training to mitigate risks effectively.
Patching and Updates
Applying security patches provided by the vendor promptly is essential to address CVE-2021-0697 and prevent potential exploitation of the vulnerability.