CVE-2022-47486 Explained : Impact and Mitigation

A detailed analysis of CVE-2022-47486 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2022-47486

This section delves into the specifics of the CVE, shedding light on its implications and repercussions.

What is CVE-2022-47486?

The CVE-2022-47486 vulnerability resides in the ext4fsfilter driver, potentially leading to an out-of-bounds read due to a missing bounds check. This flaw could result in a local denial of service, requiring System execution privileges for exploitation.

The Impact of CVE-2022-47486

The impact of CVE-2022-47486 is significant, as it opens doors for unauthorized parties to exploit the vulnerability, potentially causing disruptions and compromising system integrity.

Technical Details of CVE-2022-47486

This section provides in-depth technical insights into the vulnerability, including its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in the ext4fsfilter driver allows for an out-of-bounds read due to the absence of a bounds check. Attackers with System execution privileges can leverage this to launch a local denial of service attack.

Affected Systems and Versions

The vulnerability impacts Unisoc (Shanghai) Technologies Co., Ltd. products including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android 10 and Android 11.

Exploitation Mechanism

To exploit CVE-2022-47486, an attacker needs System execution privileges. By exploiting the missing bounds check in the ext4fsfilter driver, the attacker can trigger a local denial of service attack.

Mitigation and Prevention

In this section, we outline the immediate steps to take, recommend long-term security practices, and emphasize the importance of patching and updates.

Immediate Steps to Take

Immediately apply security patches provided by Unisoc to address the CVE-2022-47486 vulnerability. Ensure that only trusted entities have System execution privileges.

Long-Term Security Practices

Implement a robust security policy, conduct regular security audits, and stay informed about emerging threats to enhance overall system security and resilience.

Patching and Updates

Regularly monitor for security updates from Unisoc and promptly apply patches to mitigate the risks associated with CVE-2022-47486.