CVE-2021-30348 : Security Advisory and Response

This article provides details about CVE-2021-30348 affecting multiple Qualcomm products and versions.

Understanding CVE-2021-30348

This CVE involves improper validation of LLM utility timers leading to denial of service in various Qualcomm products.

What is CVE-2021-30348?

The vulnerability arises due to the improper validation of LLM utility timers in a range of Qualcomm products, potentially resulting in denial of service.

The Impact of CVE-2021-30348

With a CVSS base score of 6.5, the vulnerability can cause a high impact on the availability of affected systems, posing a medium severity threat.

Technical Details of CVE-2021-30348

This section delves into the specifics of the vulnerability in terms of description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability involves the insufficient validation of LLM utility timers, which, if exploited, can lead to denial of service in various Qualcomm products.

Affected Systems and Versions

Multiple Qualcomm products, including Snapdragon Auto, Compute, Connectivity, Mobile, and more, are affected by this vulnerability, spanning a wide range of versions.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the LLM utility timers, causing a denial of service in Snapdragon products.

Mitigation and Prevention

To safeguard systems against CVE-2021-30348, immediate steps should be followed along with long-term security practices and timely patching and updates.

Immediate Steps to Take

Ensure timely security updates and patches from Qualcomm and monitor system availability to detect any anomalies.

Long-Term Security Practices

Implement robust security measures, conduct regular security audits, and stay informed about new vulnerabilities and patches.

Patching and Updates

Regularly apply security patches released by Qualcomm for the affected products to mitigate the risk of exploitation.