CVE-2021-30295 : What You Need to Know
Learn about CVE-2021-30295 affecting Qualcomm Snapdragon devices, leading to a heap overflow due to improper validation. Find out impacted systems, the severity, and mitigation steps.
This CVE affects multiple products under Qualcomm, Inc., leading to a possible heap overflow. The issue arises due to improper validation of a local variable. This vulnerability impacts various Snapdragon devices, including Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, and Wearables.
Understanding CVE-2021-30295
CVE-2021-30295 highlights a risk of heap overflow resulting from inadequate validation of a local variable in Snapdragon devices by Qualcomm.
What is CVE-2021-30295?
The vulnerability in CVE-2021-30295 involves a possible heap overflow due to improper validation of a local variable when storing task information locally within Snapdragon devices by Qualcomm.
The Impact of CVE-2021-30295
The impact of this CVE includes a high severity rating with confidentiality, integrity, and availability being compromised. The vulnerability exists in a local attack vector with no user interaction required.
Technical Details of CVE-2021-30295
This section delves into specific technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from inadequate validation of a local variable, leading to a potential heap overflow during the storage of task information.
Affected Systems and Versions
Multiple Snapdragon devices across different product lines are affected, including but not limited to APQ8017, MSM8953, SD845, and SD888.
Exploitation Mechanism
The vulnerability can be exploited locally, without the need for user interaction, making it a critical security concern.
Mitigation and Prevention
Addressing and preventing CVE-2021-30295 is crucial to maintain the security of affected devices.
Immediate Steps to Take
Immediate mitigation steps involve applying patches or updates provided by Qualcomm to address the vulnerability.
Long-Term Security Practices
Developing a robust security posture, including regular security assessments and updates, is essential to prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for security bulletins and updates from Qualcomm to patch known vulnerabilities and enhance the security of Snapdragon devices.