CVE-2021-30343 : Security Advisory and Response

A critical vulnerability (CVSS Base Score: 9.1) was discovered in Qualcomm Snapdragon products, leading to a race condition between tasks PDCP and RRC upon receiving a valid RRC Command packet. This could result in high confidentiality and integrity impacts.

Understanding CVE-2021-30343

This section delves into the specifics of CVE-2021-30343.

What is CVE-2021-30343?

The vulnerability in Qualcomm Snapdragon products can trigger a race condition between PDCP and RRC tasks following the reception of a valid RRC Command packet.

The Impact of CVE-2021-30343

With a CVSS Base Score of 9.1, this critical vulnerability poses a high risk by potentially compromising both the integrity and confidentiality of affected systems.

Technical Details of CVE-2021-30343

This section explores the technical aspects of CVE-2021-30343.

Vulnerability Description

The improper integrity check can create a race condition between tasks PDCP and RRC after receiving a valid RRC Command packet in Qualcomm Snapdragon products.

Affected Systems and Versions

Qualcomm Snapdragon products like Snapdragon Auto, Compute, Connectivity, Industrial IOT, and Mobile are impacted across various versions.

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to trigger a race condition leading to potential integrity and confidentiality breaches.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent the CVE-2021-30343 vulnerability.

Immediate Steps to Take

Implement immediate measures to secure affected Qualcomm Snapdragon products and prevent any potential exploitation.

Long-Term Security Practices

Adopt robust security practices to safeguard systems against similar vulnerabilities in the future.

Patching and Updates

Ensure timely patching and updates for Qualcomm Snapdragon products to address this critical vulnerability.