CVE-2021-30275 : What You Need to Know

This article provides detailed information about CVE-2021-30275, a possible integer overflow vulnerability in Qualcomm products.

Understanding CVE-2021-30275

CVE-2021-30275 is a vulnerability that affects various Qualcomm products due to an integer overflow issue in the page alignment interface. This vulnerability may allow attackers to exploit the affected systems.

What is CVE-2021-30275?

The CVE-2021-30275 vulnerability involves a possible integer overflow in the page alignment interface of Qualcomm products. It arises from a lack of address and size validation before alignment in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and several other Qualcomm product lines.

The Impact of CVE-2021-30275

With a CVSS base score of 9.3 (Critical), the impact of CVE-2021-30275 is significant. The vulnerability has high confidentiality, integrity, and availability impacts, making it crucial to address promptly.

Technical Details of CVE-2021-30275

The vulnerability results from an integer overflow or wraparound in the core of the affected Qualcomm products. The lack of proper address and size validation before alignment leads to potential exploitation by threat actors.

Vulnerability Description

The integer overflow vulnerability in the page alignment interface could be exploited by attackers to compromise the affected Qualcomm products, posing a serious security risk.

Affected Systems and Versions

Various Qualcomm products are affected by CVE-2021-30275, including Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and more. The long list of impacted versions requires immediate attention from users and administrators.

Exploitation Mechanism

Attackers could potentially exploit this vulnerability locally, with a relatively low attack complexity. The lack of required privileges for exploitation adds to the severity of the issue.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-30275, immediate actions are necessary to secure the affected Qualcomm products and prevent potential exploitation.

Immediate Steps to Take

Users and administrators should apply patches and updates released by Qualcomm to address the integer overflow vulnerability promptly. It is crucial to stay informed about security bulletins and follow best security practices.

Long-Term Security Practices

Implementing robust security measures, such as regular security assessments, network monitoring, and employee training, can enhance the overall security posture and reduce the likelihood of similar vulnerabilities in the future.

Patching and Updates

Regularly monitor for security updates from Qualcomm and apply them promptly to ensure that the systems are protected against known vulnerabilities.