CVE-2021-1900 : What You Need to Know
Discover details about CVE-2021-1900, a high-severity vulnerability in Qualcomm products causing a possible use-after-free issue in Display due to a race condition.
This article provides details about CVE-2021-1900, a vulnerability that affects various Qualcomm products leading to a possible use-after-free issue in Display due to a race condition during the creation of an external display.
Understanding CVE-2021-1900
This section covers the key aspects related to CVE-2021-1900.
What is CVE-2021-1900?
The CVE-2021-1900 vulnerability is related to a race condition in creating external displays, potentially resulting in a use-after-free scenario within the Display function of several Qualcomm products.
The Impact of CVE-2021-1900
The impact of this vulnerability is significant, with a high CVSS base score of 8.4, indicating a high severity level. It can lead to issues related to confidentiality, integrity, and availability.
Technical Details of CVE-2021-1900
This section delves into the technical specifics of CVE-2021-1900.
Vulnerability Description
The vulnerability involves a race condition that triggers a use-after-free flaw in the Display function, affecting Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and various other Qualcomm products.
Affected Systems and Versions
Qualcomm products such as APQ8009, APQ8017, MSM8953, SD845, and many others are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited due to a race condition while creating an external display, leading to potential security risks.
Mitigation and Prevention
This section outlines steps to mitigate and prevent the CVE-2021-1900 vulnerability.
Immediate Steps to Take
It is crucial to apply security patches provided by Qualcomm to address this vulnerability. Additionally, monitoring for any suspicious activities is recommended.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security audits, and staying informed about security bulletins are essential for long-term security.
Patching and Updates
Regularly check for security updates from Qualcomm and apply them promptly to protect affected systems.